From 7312b41239c83112f57cd495a0d516d2f3547fa5 Mon Sep 17 00:00:00 2001
From: est31 <MTest31@outlook.com>
Date: Sat, 9 Nov 2024 22:55:20 +0100
Subject: [PATCH] Unify disallowed-positions test files into one file
Also make the file have a third mode for where everything is cfg'd out to make sure it's an early error.
---
...sallowed-positions-without-feature-gate.rs | 340 -----
...rr => disallowed-positions.feature.stderr} | 302 ++---
.../disallowed-positions.no_feature.stderr | 1111 +++++++++++++++++
... => disallowed-positions.nofeature.stderr} | 462 ++++---
.../disallowed-positions.nothing.stderr | 862 +++++++++++++
.../disallowed-positions.rs | 58 +-
6 files changed, 2444 insertions(+), 691 deletions(-)
delete mode 100644 tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions-without-feature-gate.rs
rename tests/ui/rfcs/rfc-2497-if-let-chains/{disallowed-positions.stderr => disallowed-positions.feature.stderr} (84%)
create mode 100644 tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.no_feature.stderr
rename tests/ui/rfcs/rfc-2497-if-let-chains/{disallowed-positions-without-feature-gate.stderr => disallowed-positions.nofeature.stderr} (70%)
create mode 100644 tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.nothing.stderr
diff --git a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions-without-feature-gate.rs b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions-without-feature-gate.rs
deleted file mode 100644
index 096036bb133..00000000000
--- a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions-without-feature-gate.rs
+++ /dev/null
@@ -1,340 +0,0 @@
-// Check that we don't suggest enabling a feature for code that's
-// not accepted even with that feature.
-
-#![allow(irrefutable_let_patterns)]
-
-use std::ops::Range;
-
-fn main() {}
-
-fn _if() {
- if (let 0 = 1) {}
- //~^ ERROR expected expression, found `let` statement
-
- if (((let 0 = 1))) {}
- //~^ ERROR expected expression, found `let` statement
-
- if (let 0 = 1) && true {}
- //~^ ERROR expected expression, found `let` statement
-
- if true && (let 0 = 1) {}
- //~^ ERROR expected expression, found `let` statement
-
- if (let 0 = 1) && (let 0 = 1) {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
-
- if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
-}
-
-fn _while() {
- while (let 0 = 1) {}
- //~^ ERROR expected expression, found `let` statement
-
- while (((let 0 = 1))) {}
- //~^ ERROR expected expression, found `let` statement
-
- while (let 0 = 1) && true {}
- //~^ ERROR expected expression, found `let` statement
-
- while true && (let 0 = 1) {}
- //~^ ERROR expected expression, found `let` statement
-
- while (let 0 = 1) && (let 0 = 1) {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
-
- while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
-}
-
-fn _macros() {
- macro_rules! use_expr {
- ($e:expr) => {
- if $e {}
- while $e {}
- }
- }
- use_expr!((let 0 = 1 && 0 == 0));
- //~^ ERROR expected expression, found `let` statement
- use_expr!((let 0 = 1));
- //~^ ERROR expected expression, found `let` statement
-}
-
-fn nested_within_if_expr() {
- if &let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
-
- if !let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
- if *let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
- if -let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
-
- fn _check_try_binds_tighter() -> Result<(), ()> {
- if let 0 = 0? {}
- //~^ ERROR the `?` operator can only be applied to values that implement `Try`
- Ok(())
- }
- if (let 0 = 0)? {}
- //~^ ERROR expected expression, found `let` statement
-
- if true || let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
- if (true || let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- if true && (true || let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- if true || (true && let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
-
- let mut x = true;
- if x = let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
-
- if true..(let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
- if ..(let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- if (let 0 = 0).. {}
- //~^ ERROR expected expression, found `let` statement
-
- // Binds as `(let ... = true)..true &&/|| false`.
- if let Range { start: _, end: _ } = true..true && false {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
- if let Range { start: _, end: _ } = true..true || false {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
-
- // Binds as `(let Range { start: F, end } = F)..(|| true)`.
- const F: fn() -> bool = || true;
- if let Range { start: F, end } = F..|| true {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
-
- // Binds as `(let Range { start: true, end } = t)..(&&false)`.
- let t = &&true;
- if let Range { start: true, end } = t..&&false {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
-
- if let true = let true = true {}
- //~^ ERROR expected expression, found `let` statement
-}
-
-fn nested_within_while_expr() {
- while &let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
-
- while !let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
- while *let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
- while -let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
-
- fn _check_try_binds_tighter() -> Result<(), ()> {
- while let 0 = 0? {}
- //~^ ERROR the `?` operator can only be applied to values that implement `Try`
- Ok(())
- }
- while (let 0 = 0)? {}
- //~^ ERROR expected expression, found `let` statement
-
- while true || let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
- while (true || let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- while true && (true || let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- while true || (true && let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
-
- let mut x = true;
- while x = let 0 = 0 {}
- //~^ ERROR expected expression, found `let` statement
-
- while true..(let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
- while ..(let 0 = 0) {}
- //~^ ERROR expected expression, found `let` statement
- while (let 0 = 0).. {}
- //~^ ERROR expected expression, found `let` statement
-
- // Binds as `(let ... = true)..true &&/|| false`.
- while let Range { start: _, end: _ } = true..true && false {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
- while let Range { start: _, end: _ } = true..true || false {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
-
- // Binds as `(let Range { start: F, end } = F)..(|| true)`.
- const F: fn() -> bool = || true;
- while let Range { start: F, end } = F..|| true {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
-
- // Binds as `(let Range { start: true, end } = t)..(&&false)`.
- let t = &&true;
- while let Range { start: true, end } = t..&&false {}
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
-
- while let true = let true = true {}
- //~^ ERROR expected expression, found `let` statement
-}
-
-fn not_error_because_clarified_intent() {
- if let Range { start: _, end: _ } = (true..true || false) { }
-
- if let Range { start: _, end: _ } = (true..true && false) { }
-
- while let Range { start: _, end: _ } = (true..true || false) { }
-
- while let Range { start: _, end: _ } = (true..true && false) { }
-}
-
-fn outside_if_and_while_expr() {
- &let 0 = 0;
- //~^ ERROR expected expression, found `let` statement
-
- !let 0 = 0;
- //~^ ERROR expected expression, found `let` statement
- *let 0 = 0;
- //~^ ERROR expected expression, found `let` statement
- -let 0 = 0;
- //~^ ERROR expected expression, found `let` statement
- let _ = let _ = 3;
- //~^ ERROR expected expression, found `let` statement
-
- fn _check_try_binds_tighter() -> Result<(), ()> {
- let 0 = 0?;
- //~^ ERROR the `?` operator can only be applied to values that implement `Try`
- Ok(())
- }
- (let 0 = 0)?;
- //~^ ERROR expected expression, found `let` statement
-
- true || let 0 = 0;
- //~^ ERROR expected expression, found `let` statement
- (true || let 0 = 0);
- //~^ ERROR expected expression, found `let` statement
- true && (true || let 0 = 0);
- //~^ ERROR expected expression, found `let` statement
-
- let mut x = true;
- x = let 0 = 0;
- //~^ ERROR expected expression, found `let` statement
-
- true..(let 0 = 0);
- //~^ ERROR expected expression, found `let` statement
- ..(let 0 = 0);
- //~^ ERROR expected expression, found `let` statement
- (let 0 = 0)..;
- //~^ ERROR expected expression, found `let` statement
-
- (let Range { start: _, end: _ } = true..true || false);
- //~^ ERROR mismatched types
- //~| ERROR expected expression, found `let` statement
-
- (let true = let true = true);
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
-
- {
- #[cfg(FALSE)]
- let x = true && let y = 1;
- //~^ ERROR expected expression, found `let` statement
- }
-
- #[cfg(FALSE)]
- {
- [1, 2, 3][let _ = ()]
- //~^ ERROR expected expression, found `let` statement
- }
-
- // Check function tail position.
- &let 0 = 0
- //~^ ERROR expected expression, found `let` statement
-}
-
-// Let's make sure that `let` inside const generic arguments are considered.
-fn inside_const_generic_arguments() {
- struct A<const B: bool>;
- impl<const B: bool> A<{B}> { const O: u32 = 5; }
-
- if let A::<{
- true && let 1 = 1
- //~^ ERROR expected expression, found `let` statement
- }>::O = 5 {}
-
- while let A::<{
- true && let 1 = 1
- //~^ ERROR expected expression, found `let` statement
- }>::O = 5 {}
-
- if A::<{
- true && let 1 = 1
- //~^ ERROR expected expression, found `let` statement
- }>::O == 5 {}
-
- // In the cases above we have `ExprKind::Block` to help us out.
- // Below however, we would not have a block and so an implementation might go
- // from visiting expressions to types without banning `let` expressions down the tree.
- // This tests ensures that we are not caught by surprise should the parser
- // admit non-IDENT expressions in const generic arguments.
-
- if A::<
- true && let 1 = 1
- //~^ ERROR expressions must be enclosed in braces
- //~| ERROR expected expression, found `let` statement
- >::O == 5 {}
-}
-
-fn with_parenthesis() {
- let opt = Some(Some(1i32));
-
- if (let Some(a) = opt && true) {
- //~^ ERROR expected expression, found `let` statement
- }
-
- if (let Some(a) = opt) && true {
- //~^ ERROR expected expression, found `let` statement
- }
- if (let Some(a) = opt) && (let Some(b) = a) {
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
- }
-
- if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
- }
- if (let Some(a) = opt && (let Some(b) = a)) && true {
- //~^ ERROR expected expression, found `let` statement
- //~| ERROR expected expression, found `let` statement
- }
- if (let Some(a) = opt && (true)) && true {
- //~^ ERROR expected expression, found `let` statement
- }
-
- #[cfg(FALSE)]
- let x = (true && let y = 1);
- //~^ ERROR expected expression, found `let` statement
-
- #[cfg(FALSE)]
- {
- ([1, 2, 3][let _ = ()])
- //~^ ERROR expected expression, found `let` statement
- }
-}
diff --git a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.stderr b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.feature.stderr
similarity index 84%
rename from tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.stderr
rename to tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.feature.stderr
index ab58abf4d46..ae3856b7e75 100644
--- a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.stderr
+++ b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.feature.stderr
@@ -1,239 +1,239 @@
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:29:9
+ --> $DIR/disallowed-positions.rs:32:9
|
LL | if (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:29:9
+ --> $DIR/disallowed-positions.rs:32:9
|
LL | if (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:32:11
+ --> $DIR/disallowed-positions.rs:35:11
|
LL | if (((let 0 = 1))) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:32:11
+ --> $DIR/disallowed-positions.rs:35:11
|
LL | if (((let 0 = 1))) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:35:9
+ --> $DIR/disallowed-positions.rs:38:9
|
LL | if (let 0 = 1) && true {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:35:9
+ --> $DIR/disallowed-positions.rs:38:9
|
LL | if (let 0 = 1) && true {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:38:17
+ --> $DIR/disallowed-positions.rs:41:17
|
LL | if true && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:38:17
+ --> $DIR/disallowed-positions.rs:41:17
|
LL | if true && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:41:9
+ --> $DIR/disallowed-positions.rs:44:9
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:41:9
+ --> $DIR/disallowed-positions.rs:44:9
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:41:24
+ --> $DIR/disallowed-positions.rs:44:24
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:41:24
+ --> $DIR/disallowed-positions.rs:44:24
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:45:35
+ --> $DIR/disallowed-positions.rs:48:35
|
LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:45:35
+ --> $DIR/disallowed-positions.rs:48:35
|
LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:45:48
+ --> $DIR/disallowed-positions.rs:48:48
|
LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:45:35
+ --> $DIR/disallowed-positions.rs:48:35
|
LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:45:61
+ --> $DIR/disallowed-positions.rs:48:61
|
LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:45:35
+ --> $DIR/disallowed-positions.rs:48:35
|
LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:52:12
+ --> $DIR/disallowed-positions.rs:58:12
|
LL | while (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:52:12
+ --> $DIR/disallowed-positions.rs:58:12
|
LL | while (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:55:14
+ --> $DIR/disallowed-positions.rs:61:14
|
LL | while (((let 0 = 1))) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:55:14
+ --> $DIR/disallowed-positions.rs:61:14
|
LL | while (((let 0 = 1))) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:58:12
+ --> $DIR/disallowed-positions.rs:64:12
|
LL | while (let 0 = 1) && true {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:58:12
+ --> $DIR/disallowed-positions.rs:64:12
|
LL | while (let 0 = 1) && true {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:61:20
+ --> $DIR/disallowed-positions.rs:67:20
|
LL | while true && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:61:20
+ --> $DIR/disallowed-positions.rs:67:20
|
LL | while true && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:64:12
+ --> $DIR/disallowed-positions.rs:70:12
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:64:12
+ --> $DIR/disallowed-positions.rs:70:12
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:64:27
+ --> $DIR/disallowed-positions.rs:70:27
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:64:27
+ --> $DIR/disallowed-positions.rs:70:27
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:68:38
+ --> $DIR/disallowed-positions.rs:74:38
|
LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:68:38
+ --> $DIR/disallowed-positions.rs:74:38
|
LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:68:51
+ --> $DIR/disallowed-positions.rs:74:51
|
LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:68:38
+ --> $DIR/disallowed-positions.rs:74:38
|
LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:68:64
+ --> $DIR/disallowed-positions.rs:74:64
|
LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:68:38
+ --> $DIR/disallowed-positions.rs:74:38
|
LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:88:9
+ --> $DIR/disallowed-positions.rs:98:9
|
LL | if &let 0 = 0 {}
| ^^^^^^^^^
@@ -241,7 +241,7 @@ LL | if &let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:91:9
+ --> $DIR/disallowed-positions.rs:101:9
|
LL | if !let 0 = 0 {}
| ^^^^^^^^^
@@ -249,7 +249,7 @@ LL | if !let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:93:9
+ --> $DIR/disallowed-positions.rs:103:9
|
LL | if *let 0 = 0 {}
| ^^^^^^^^^
@@ -257,7 +257,7 @@ LL | if *let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:95:9
+ --> $DIR/disallowed-positions.rs:105:9
|
LL | if -let 0 = 0 {}
| ^^^^^^^^^
@@ -265,7 +265,7 @@ LL | if -let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:103:9
+ --> $DIR/disallowed-positions.rs:113:9
|
LL | if (let 0 = 0)? {}
| ^^^^^^^^^
@@ -273,20 +273,20 @@ LL | if (let 0 = 0)? {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:106:16
+ --> $DIR/disallowed-positions.rs:116:16
|
LL | if true || let 0 = 0 {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `||` operators are not supported in let chain expressions
- --> $DIR/disallowed-positions.rs:106:13
+ --> $DIR/disallowed-positions.rs:116:13
|
LL | if true || let 0 = 0 {}
| ^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:108:17
+ --> $DIR/disallowed-positions.rs:118:17
|
LL | if (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -294,7 +294,7 @@ LL | if (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:110:25
+ --> $DIR/disallowed-positions.rs:120:25
|
LL | if true && (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -302,7 +302,7 @@ LL | if true && (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:112:25
+ --> $DIR/disallowed-positions.rs:122:25
|
LL | if true || (true && let 0 = 0) {}
| ^^^^^^^^^
@@ -310,7 +310,7 @@ LL | if true || (true && let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:116:12
+ --> $DIR/disallowed-positions.rs:126:12
|
LL | if x = let 0 = 0 {}
| ^^^
@@ -318,7 +318,7 @@ LL | if x = let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:119:15
+ --> $DIR/disallowed-positions.rs:129:15
|
LL | if true..(let 0 = 0) {}
| ^^^^^^^^^
@@ -326,7 +326,7 @@ LL | if true..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:122:11
+ --> $DIR/disallowed-positions.rs:132:11
|
LL | if ..(let 0 = 0) {}
| ^^^^^^^^^
@@ -334,7 +334,7 @@ LL | if ..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:124:9
+ --> $DIR/disallowed-positions.rs:134:9
|
LL | if (let 0 = 0).. {}
| ^^^^^^^^^
@@ -342,7 +342,7 @@ LL | if (let 0 = 0).. {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:128:8
+ --> $DIR/disallowed-positions.rs:138:8
|
LL | if let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -350,7 +350,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:131:8
+ --> $DIR/disallowed-positions.rs:141:8
|
LL | if let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -358,7 +358,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:137:8
+ --> $DIR/disallowed-positions.rs:147:8
|
LL | if let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -366,7 +366,7 @@ LL | if let Range { start: F, end } = F..|| true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:143:8
+ --> $DIR/disallowed-positions.rs:153:8
|
LL | if let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -374,7 +374,7 @@ LL | if let Range { start: true, end } = t..&&false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:147:19
+ --> $DIR/disallowed-positions.rs:157:19
|
LL | if let true = let true = true {}
| ^^^
@@ -382,7 +382,7 @@ LL | if let true = let true = true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:152:12
+ --> $DIR/disallowed-positions.rs:163:12
|
LL | while &let 0 = 0 {}
| ^^^^^^^^^
@@ -390,7 +390,7 @@ LL | while &let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:155:12
+ --> $DIR/disallowed-positions.rs:166:12
|
LL | while !let 0 = 0 {}
| ^^^^^^^^^
@@ -398,7 +398,7 @@ LL | while !let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:157:12
+ --> $DIR/disallowed-positions.rs:168:12
|
LL | while *let 0 = 0 {}
| ^^^^^^^^^
@@ -406,7 +406,7 @@ LL | while *let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:159:12
+ --> $DIR/disallowed-positions.rs:170:12
|
LL | while -let 0 = 0 {}
| ^^^^^^^^^
@@ -414,7 +414,7 @@ LL | while -let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:167:12
+ --> $DIR/disallowed-positions.rs:178:12
|
LL | while (let 0 = 0)? {}
| ^^^^^^^^^
@@ -422,20 +422,20 @@ LL | while (let 0 = 0)? {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:170:19
+ --> $DIR/disallowed-positions.rs:181:19
|
LL | while true || let 0 = 0 {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `||` operators are not supported in let chain expressions
- --> $DIR/disallowed-positions.rs:170:16
+ --> $DIR/disallowed-positions.rs:181:16
|
LL | while true || let 0 = 0 {}
| ^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:172:20
+ --> $DIR/disallowed-positions.rs:183:20
|
LL | while (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -443,7 +443,7 @@ LL | while (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:174:28
+ --> $DIR/disallowed-positions.rs:185:28
|
LL | while true && (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -451,7 +451,7 @@ LL | while true && (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:176:28
+ --> $DIR/disallowed-positions.rs:187:28
|
LL | while true || (true && let 0 = 0) {}
| ^^^^^^^^^
@@ -459,7 +459,7 @@ LL | while true || (true && let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:180:15
+ --> $DIR/disallowed-positions.rs:191:15
|
LL | while x = let 0 = 0 {}
| ^^^
@@ -467,7 +467,7 @@ LL | while x = let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:183:18
+ --> $DIR/disallowed-positions.rs:194:18
|
LL | while true..(let 0 = 0) {}
| ^^^^^^^^^
@@ -475,7 +475,7 @@ LL | while true..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:186:14
+ --> $DIR/disallowed-positions.rs:197:14
|
LL | while ..(let 0 = 0) {}
| ^^^^^^^^^
@@ -483,7 +483,7 @@ LL | while ..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:188:12
+ --> $DIR/disallowed-positions.rs:199:12
|
LL | while (let 0 = 0).. {}
| ^^^^^^^^^
@@ -491,7 +491,7 @@ LL | while (let 0 = 0).. {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:192:11
+ --> $DIR/disallowed-positions.rs:203:11
|
LL | while let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -499,7 +499,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:195:11
+ --> $DIR/disallowed-positions.rs:206:11
|
LL | while let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -507,7 +507,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:201:11
+ --> $DIR/disallowed-positions.rs:212:11
|
LL | while let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -515,7 +515,7 @@ LL | while let Range { start: F, end } = F..|| true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:207:11
+ --> $DIR/disallowed-positions.rs:218:11
|
LL | while let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -523,7 +523,7 @@ LL | while let Range { start: true, end } = t..&&false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:211:22
+ --> $DIR/disallowed-positions.rs:222:22
|
LL | while let true = let true = true {}
| ^^^
@@ -531,7 +531,7 @@ LL | while let true = let true = true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:226:6
+ --> $DIR/disallowed-positions.rs:239:6
|
LL | &let 0 = 0;
| ^^^
@@ -539,7 +539,7 @@ LL | &let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:229:6
+ --> $DIR/disallowed-positions.rs:242:6
|
LL | !let 0 = 0;
| ^^^
@@ -547,7 +547,7 @@ LL | !let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:231:6
+ --> $DIR/disallowed-positions.rs:244:6
|
LL | *let 0 = 0;
| ^^^
@@ -555,7 +555,7 @@ LL | *let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:233:6
+ --> $DIR/disallowed-positions.rs:246:6
|
LL | -let 0 = 0;
| ^^^
@@ -563,7 +563,15 @@ LL | -let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:241:6
+ --> $DIR/disallowed-positions.rs:248:13
+ |
+LL | let _ = let _ = 3;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:256:6
|
LL | (let 0 = 0)?;
| ^^^
@@ -571,7 +579,7 @@ LL | (let 0 = 0)?;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:244:13
+ --> $DIR/disallowed-positions.rs:259:13
|
LL | true || let 0 = 0;
| ^^^
@@ -579,7 +587,7 @@ LL | true || let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:246:14
+ --> $DIR/disallowed-positions.rs:261:14
|
LL | (true || let 0 = 0);
| ^^^
@@ -587,7 +595,7 @@ LL | (true || let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:248:22
+ --> $DIR/disallowed-positions.rs:263:22
|
LL | true && (true || let 0 = 0);
| ^^^
@@ -595,7 +603,7 @@ LL | true && (true || let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:252:9
+ --> $DIR/disallowed-positions.rs:267:9
|
LL | x = let 0 = 0;
| ^^^
@@ -603,7 +611,7 @@ LL | x = let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:255:12
+ --> $DIR/disallowed-positions.rs:270:12
|
LL | true..(let 0 = 0);
| ^^^
@@ -611,7 +619,7 @@ LL | true..(let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:257:8
+ --> $DIR/disallowed-positions.rs:272:8
|
LL | ..(let 0 = 0);
| ^^^
@@ -619,7 +627,7 @@ LL | ..(let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:259:6
+ --> $DIR/disallowed-positions.rs:274:6
|
LL | (let 0 = 0)..;
| ^^^
@@ -627,7 +635,7 @@ LL | (let 0 = 0)..;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:262:6
+ --> $DIR/disallowed-positions.rs:277:6
|
LL | (let Range { start: _, end: _ } = true..true || false);
| ^^^
@@ -635,7 +643,7 @@ LL | (let Range { start: _, end: _ } = true..true || false);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:266:6
+ --> $DIR/disallowed-positions.rs:281:6
|
LL | (let true = let true = true);
| ^^^
@@ -643,7 +651,7 @@ LL | (let true = let true = true);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:266:17
+ --> $DIR/disallowed-positions.rs:281:17
|
LL | (let true = let true = true);
| ^^^
@@ -651,7 +659,7 @@ LL | (let true = let true = true);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:272:25
+ --> $DIR/disallowed-positions.rs:287:25
|
LL | let x = true && let y = 1;
| ^^^
@@ -659,7 +667,7 @@ LL | let x = true && let y = 1;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:278:19
+ --> $DIR/disallowed-positions.rs:293:19
|
LL | [1, 2, 3][let _ = ()]
| ^^^
@@ -667,7 +675,7 @@ LL | [1, 2, 3][let _ = ()]
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:283:6
+ --> $DIR/disallowed-positions.rs:298:6
|
LL | &let 0 = 0
| ^^^
@@ -675,23 +683,7 @@ LL | &let 0 = 0
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:293:17
- |
-LL | true && let 1 = 1
- | ^^^
- |
- = note: only supported directly in conditions of `if` and `while` expressions
-
-error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:298:17
- |
-LL | true && let 1 = 1
- | ^^^
- |
- = note: only supported directly in conditions of `if` and `while` expressions
-
-error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:303:17
+ --> $DIR/disallowed-positions.rs:309:17
|
LL | true && let 1 = 1
| ^^^
@@ -706,8 +698,24 @@ LL | true && let 1 = 1
|
= note: only supported directly in conditions of `if` and `while` expressions
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:319:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:330:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
error: expressions must be enclosed in braces to be used as const generic arguments
- --> $DIR/disallowed-positions.rs:314:9
+ --> $DIR/disallowed-positions.rs:330:9
|
LL | true && let 1 = 1
| ^^^^^^^^^^^^^^^^^
@@ -718,124 +726,124 @@ LL | { true && let 1 = 1 }
| + +
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:323:9
+ --> $DIR/disallowed-positions.rs:340:9
|
LL | if (let Some(a) = opt && true) {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:323:9
+ --> $DIR/disallowed-positions.rs:340:9
|
LL | if (let Some(a) = opt && true) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:327:9
+ --> $DIR/disallowed-positions.rs:344:9
|
LL | if (let Some(a) = opt) && true {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:327:9
+ --> $DIR/disallowed-positions.rs:344:9
|
LL | if (let Some(a) = opt) && true {
| ^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:330:9
+ --> $DIR/disallowed-positions.rs:347:9
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:330:9
+ --> $DIR/disallowed-positions.rs:347:9
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:330:32
+ --> $DIR/disallowed-positions.rs:347:32
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:330:32
+ --> $DIR/disallowed-positions.rs:347:32
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:337:9
+ --> $DIR/disallowed-positions.rs:355:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:337:9
+ --> $DIR/disallowed-positions.rs:355:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:337:31
+ --> $DIR/disallowed-positions.rs:355:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:337:31
+ --> $DIR/disallowed-positions.rs:355:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:341:9
+ --> $DIR/disallowed-positions.rs:359:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:341:9
+ --> $DIR/disallowed-positions.rs:359:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:341:31
+ --> $DIR/disallowed-positions.rs:359:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:341:31
+ --> $DIR/disallowed-positions.rs:359:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:345:9
+ --> $DIR/disallowed-positions.rs:363:9
|
LL | if (let Some(a) = opt && (true)) && true {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions.rs:345:9
+ --> $DIR/disallowed-positions.rs:363:9
|
LL | if (let Some(a) = opt && (true)) && true {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:361:22
+ --> $DIR/disallowed-positions.rs:383:22
|
LL | let x = (true && let y = 1);
| ^^^
@@ -843,7 +851,7 @@ LL | let x = (true && let y = 1);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:366:20
+ --> $DIR/disallowed-positions.rs:388:20
|
LL | ([1, 2, 3][let _ = ()])
| ^^^
@@ -851,7 +859,7 @@ LL | ([1, 2, 3][let _ = ()])
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:81:16
+ --> $DIR/disallowed-positions.rs:90:16
|
LL | use_expr!((let 0 = 1 && 0 == 0));
| ^^^
@@ -859,7 +867,7 @@ LL | use_expr!((let 0 = 1 && 0 == 0));
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions.rs:83:16
+ --> $DIR/disallowed-positions.rs:92:16
|
LL | use_expr!((let 0 = 1));
| ^^^
@@ -867,7 +875,7 @@ LL | use_expr!((let 0 = 1));
= note: only supported directly in conditions of `if` and `while` expressions
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:119:8
+ --> $DIR/disallowed-positions.rs:129:8
|
LL | if true..(let 0 = 0) {}
| ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range<bool>`
@@ -876,7 +884,7 @@ LL | if true..(let 0 = 0) {}
found struct `std::ops::Range<bool>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:128:12
+ --> $DIR/disallowed-positions.rs:138:12
|
LL | if let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -887,7 +895,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:131:12
+ --> $DIR/disallowed-positions.rs:141:12
|
LL | if let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -898,7 +906,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:137:12
+ --> $DIR/disallowed-positions.rs:147:12
|
LL | if let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool`
@@ -909,7 +917,7 @@ LL | if let Range { start: F, end } = F..|| true {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:143:12
+ --> $DIR/disallowed-positions.rs:153:12
|
LL | if let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool`
@@ -920,7 +928,7 @@ LL | if let Range { start: true, end } = t..&&false {}
found struct `std::ops::Range<_>`
error[E0277]: the `?` operator can only be applied to values that implement `Try`
- --> $DIR/disallowed-positions.rs:99:20
+ --> $DIR/disallowed-positions.rs:109:20
|
LL | if let 0 = 0? {}
| ^^ the `?` operator cannot be applied to type `{integer}`
@@ -928,7 +936,7 @@ LL | if let 0 = 0? {}
= help: the trait `Try` is not implemented for `{integer}`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:183:11
+ --> $DIR/disallowed-positions.rs:194:11
|
LL | while true..(let 0 = 0) {}
| ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range<bool>`
@@ -937,7 +945,7 @@ LL | while true..(let 0 = 0) {}
found struct `std::ops::Range<bool>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:192:15
+ --> $DIR/disallowed-positions.rs:203:15
|
LL | while let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -948,7 +956,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:195:15
+ --> $DIR/disallowed-positions.rs:206:15
|
LL | while let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -959,7 +967,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:201:15
+ --> $DIR/disallowed-positions.rs:212:15
|
LL | while let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool`
@@ -970,7 +978,7 @@ LL | while let Range { start: F, end } = F..|| true {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:207:15
+ --> $DIR/disallowed-positions.rs:218:15
|
LL | while let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool`
@@ -981,7 +989,7 @@ LL | while let Range { start: true, end } = t..&&false {}
found struct `std::ops::Range<_>`
error[E0277]: the `?` operator can only be applied to values that implement `Try`
- --> $DIR/disallowed-positions.rs:163:23
+ --> $DIR/disallowed-positions.rs:174:23
|
LL | while let 0 = 0? {}
| ^^ the `?` operator cannot be applied to type `{integer}`
@@ -989,7 +997,7 @@ LL | while let 0 = 0? {}
= help: the trait `Try` is not implemented for `{integer}`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions.rs:262:10
+ --> $DIR/disallowed-positions.rs:277:10
|
LL | (let Range { start: _, end: _ } = true..true || false);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -1000,14 +1008,14 @@ LL | (let Range { start: _, end: _ } = true..true || false);
found struct `std::ops::Range<_>`
error[E0277]: the `?` operator can only be applied to values that implement `Try`
- --> $DIR/disallowed-positions.rs:237:17
+ --> $DIR/disallowed-positions.rs:252:17
|
LL | let 0 = 0?;
| ^^ the `?` operator cannot be applied to type `{integer}`
|
= help: the trait `Try` is not implemented for `{integer}`
-error: aborting due to 104 previous errors
+error: aborting due to 105 previous errors
Some errors have detailed explanations: E0277, E0308.
For more information about an error, try `rustc --explain E0277`.
diff --git a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.no_feature.stderr b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.no_feature.stderr
new file mode 100644
index 00000000000..fd418f4ed7c
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.no_feature.stderr
@@ -0,0 +1,1111 @@
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:32:9
+ |
+LL | if (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:32:9
+ |
+LL | if (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:35:11
+ |
+LL | if (((let 0 = 1))) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:35:11
+ |
+LL | if (((let 0 = 1))) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:38:9
+ |
+LL | if (let 0 = 1) && true {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:38:9
+ |
+LL | if (let 0 = 1) && true {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:41:17
+ |
+LL | if true && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:41:17
+ |
+LL | if true && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:44:9
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:44:9
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:44:24
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:44:24
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:48:48
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:48:61
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:58:12
+ |
+LL | while (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:58:12
+ |
+LL | while (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:61:14
+ |
+LL | while (((let 0 = 1))) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:61:14
+ |
+LL | while (((let 0 = 1))) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:64:12
+ |
+LL | while (let 0 = 1) && true {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:64:12
+ |
+LL | while (let 0 = 1) && true {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:67:20
+ |
+LL | while true && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:67:20
+ |
+LL | while true && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:70:12
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:70:12
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:70:27
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:70:27
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:74:51
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:74:64
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:98:9
+ |
+LL | if &let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:101:9
+ |
+LL | if !let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:103:9
+ |
+LL | if *let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:105:9
+ |
+LL | if -let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:113:9
+ |
+LL | if (let 0 = 0)? {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:116:16
+ |
+LL | if true || let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `||` operators are not supported in let chain expressions
+ --> $DIR/disallowed-positions.rs:116:13
+ |
+LL | if true || let 0 = 0 {}
+ | ^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:118:17
+ |
+LL | if (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:120:25
+ |
+LL | if true && (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:122:25
+ |
+LL | if true || (true && let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:126:12
+ |
+LL | if x = let 0 = 0 {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:129:15
+ |
+LL | if true..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:132:11
+ |
+LL | if ..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:134:9
+ |
+LL | if (let 0 = 0).. {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:138:8
+ |
+LL | if let Range { start: _, end: _ } = true..true && false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:141:8
+ |
+LL | if let Range { start: _, end: _ } = true..true || false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:147:8
+ |
+LL | if let Range { start: F, end } = F..|| true {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:153:8
+ |
+LL | if let Range { start: true, end } = t..&&false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:157:19
+ |
+LL | if let true = let true = true {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:163:12
+ |
+LL | while &let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:166:12
+ |
+LL | while !let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:168:12
+ |
+LL | while *let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:170:12
+ |
+LL | while -let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:178:12
+ |
+LL | while (let 0 = 0)? {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:181:19
+ |
+LL | while true || let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `||` operators are not supported in let chain expressions
+ --> $DIR/disallowed-positions.rs:181:16
+ |
+LL | while true || let 0 = 0 {}
+ | ^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:183:20
+ |
+LL | while (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:185:28
+ |
+LL | while true && (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:187:28
+ |
+LL | while true || (true && let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:191:15
+ |
+LL | while x = let 0 = 0 {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:194:18
+ |
+LL | while true..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:197:14
+ |
+LL | while ..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:199:12
+ |
+LL | while (let 0 = 0).. {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:203:11
+ |
+LL | while let Range { start: _, end: _ } = true..true && false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:206:11
+ |
+LL | while let Range { start: _, end: _ } = true..true || false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:212:11
+ |
+LL | while let Range { start: F, end } = F..|| true {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:218:11
+ |
+LL | while let Range { start: true, end } = t..&&false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:222:22
+ |
+LL | while let true = let true = true {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:239:6
+ |
+LL | &let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:242:6
+ |
+LL | !let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:244:6
+ |
+LL | *let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:246:6
+ |
+LL | -let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:248:13
+ |
+LL | let _ = let _ = 3;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:256:6
+ |
+LL | (let 0 = 0)?;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:259:13
+ |
+LL | true || let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:261:14
+ |
+LL | (true || let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:263:22
+ |
+LL | true && (true || let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:267:9
+ |
+LL | x = let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:270:12
+ |
+LL | true..(let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:272:8
+ |
+LL | ..(let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:274:6
+ |
+LL | (let 0 = 0)..;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:277:6
+ |
+LL | (let Range { start: _, end: _ } = true..true || false);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:281:6
+ |
+LL | (let true = let true = true);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:281:17
+ |
+LL | (let true = let true = true);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:287:25
+ |
+LL | let x = true && let y = 1;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:293:19
+ |
+LL | [1, 2, 3][let _ = ()]
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:298:6
+ |
+LL | &let 0 = 0
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:309:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:314:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:319:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:330:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expressions must be enclosed in braces to be used as const generic arguments
+ --> $DIR/disallowed-positions.rs:330:9
+ |
+LL | true && let 1 = 1
+ | ^^^^^^^^^^^^^^^^^
+ |
+help: enclose the `const` expression in braces
+ |
+LL | { true && let 1 = 1 }
+ | + +
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:340:9
+ |
+LL | if (let Some(a) = opt && true) {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:340:9
+ |
+LL | if (let Some(a) = opt && true) {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:344:9
+ |
+LL | if (let Some(a) = opt) && true {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:344:9
+ |
+LL | if (let Some(a) = opt) && true {
+ | ^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:347:9
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:347:9
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:347:32
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:347:32
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:355:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:355:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:355:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:355:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:359:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:359:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:359:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:359:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:363:9
+ |
+LL | if (let Some(a) = opt && (true)) && true {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:363:9
+ |
+LL | if (let Some(a) = opt && (true)) && true {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:383:22
+ |
+LL | let x = (true && let y = 1);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:388:20
+ |
+LL | ([1, 2, 3][let _ = ()])
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:90:16
+ |
+LL | use_expr!((let 0 = 1 && 0 == 0));
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:92:16
+ |
+LL | use_expr!((let 0 = 1));
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:48:8
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:48:21
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:74:11
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:74:24
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:351:8
+ |
+LL | if let Some(a) = opt && (true && true) {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:367:28
+ |
+LL | if (true && (true)) && let Some(a) = opt {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:370:18
+ |
+LL | if (true) && let Some(a) = opt {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:373:16
+ |
+LL | if true && let Some(a) = opt {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:378:8
+ |
+LL | if let true = (true && fun()) && (true) {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:129:8
+ |
+LL | if true..(let 0 = 0) {}
+ | ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range<bool>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<bool>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:138:12
+ |
+LL | if let Range { start: _, end: _ } = true..true && false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
+ | |
+ | expected `bool`, found `Range<_>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<_>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:141:12
+ |
+LL | if let Range { start: _, end: _ } = true..true || false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
+ | |
+ | expected `bool`, found `Range<_>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<_>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:147:12
+ |
+LL | if let Range { start: F, end } = F..|| true {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool`
+ | |
+ | expected fn pointer, found `Range<_>`
+ |
+ = note: expected fn pointer `fn() -> bool`
+ found struct `std::ops::Range<_>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:153:12
+ |
+LL | if let Range { start: true, end } = t..&&false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool`
+ | |
+ | expected `bool`, found `Range<_>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<_>`
+
+error[E0277]: the `?` operator can only be applied to values that implement `Try`
+ --> $DIR/disallowed-positions.rs:109:20
+ |
+LL | if let 0 = 0? {}
+ | ^^ the `?` operator cannot be applied to type `{integer}`
+ |
+ = help: the trait `Try` is not implemented for `{integer}`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:194:11
+ |
+LL | while true..(let 0 = 0) {}
+ | ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range<bool>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<bool>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:203:15
+ |
+LL | while let Range { start: _, end: _ } = true..true && false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
+ | |
+ | expected `bool`, found `Range<_>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<_>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:206:15
+ |
+LL | while let Range { start: _, end: _ } = true..true || false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
+ | |
+ | expected `bool`, found `Range<_>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<_>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:212:15
+ |
+LL | while let Range { start: F, end } = F..|| true {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool`
+ | |
+ | expected fn pointer, found `Range<_>`
+ |
+ = note: expected fn pointer `fn() -> bool`
+ found struct `std::ops::Range<_>`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:218:15
+ |
+LL | while let Range { start: true, end } = t..&&false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool`
+ | |
+ | expected `bool`, found `Range<_>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<_>`
+
+error[E0277]: the `?` operator can only be applied to values that implement `Try`
+ --> $DIR/disallowed-positions.rs:174:23
+ |
+LL | while let 0 = 0? {}
+ | ^^ the `?` operator cannot be applied to type `{integer}`
+ |
+ = help: the trait `Try` is not implemented for `{integer}`
+
+error[E0308]: mismatched types
+ --> $DIR/disallowed-positions.rs:277:10
+ |
+LL | (let Range { start: _, end: _ } = true..true || false);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
+ | |
+ | expected `bool`, found `Range<_>`
+ |
+ = note: expected type `bool`
+ found struct `std::ops::Range<_>`
+
+error[E0277]: the `?` operator can only be applied to values that implement `Try`
+ --> $DIR/disallowed-positions.rs:252:17
+ |
+LL | let 0 = 0?;
+ | ^^ the `?` operator cannot be applied to type `{integer}`
+ |
+ = help: the trait `Try` is not implemented for `{integer}`
+
+error: aborting due to 114 previous errors
+
+Some errors have detailed explanations: E0277, E0308, E0658.
+For more information about an error, try `rustc --explain E0277`.
diff --git a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions-without-feature-gate.stderr b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.nofeature.stderr
similarity index 70%
rename from tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions-without-feature-gate.stderr
rename to tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.nofeature.stderr
index 31f389512ed..f556ecf7f91 100644
--- a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions-without-feature-gate.stderr
+++ b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.nofeature.stderr
@@ -1,239 +1,239 @@
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:11:9
+ --> $DIR/disallowed-positions.rs:31:9
|
LL | if (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:11:9
+ --> $DIR/disallowed-positions.rs:31:9
|
LL | if (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:14:11
+ --> $DIR/disallowed-positions.rs:34:11
|
LL | if (((let 0 = 1))) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:14:11
+ --> $DIR/disallowed-positions.rs:34:11
|
LL | if (((let 0 = 1))) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:17:9
+ --> $DIR/disallowed-positions.rs:37:9
|
LL | if (let 0 = 1) && true {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:17:9
+ --> $DIR/disallowed-positions.rs:37:9
|
LL | if (let 0 = 1) && true {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:20:17
+ --> $DIR/disallowed-positions.rs:40:17
|
LL | if true && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:20:17
+ --> $DIR/disallowed-positions.rs:40:17
|
LL | if true && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:23:9
+ --> $DIR/disallowed-positions.rs:43:9
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:23:9
+ --> $DIR/disallowed-positions.rs:43:9
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:23:24
+ --> $DIR/disallowed-positions.rs:43:24
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:23:24
+ --> $DIR/disallowed-positions.rs:43:24
|
LL | if (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:27:9
+ --> $DIR/disallowed-positions.rs:47:35
|
-LL | if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^
- |
- = note: only supported directly in conditions of `if` and `while` expressions
-note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:27:9
- |
-LL | if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:27:22
- |
-LL | if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^
- |
- = note: only supported directly in conditions of `if` and `while` expressions
-note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:27:9
- |
-LL | if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:27:35
- |
-LL | if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:27:9
+ --> $DIR/disallowed-positions.rs:47:35
|
-LL | if (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:34:12
+ --> $DIR/disallowed-positions.rs:47:48
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:47:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:47:61
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:47:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:56:12
|
LL | while (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:34:12
+ --> $DIR/disallowed-positions.rs:56:12
|
LL | while (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:37:14
+ --> $DIR/disallowed-positions.rs:59:14
|
LL | while (((let 0 = 1))) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:37:14
+ --> $DIR/disallowed-positions.rs:59:14
|
LL | while (((let 0 = 1))) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:40:12
+ --> $DIR/disallowed-positions.rs:62:12
|
LL | while (let 0 = 1) && true {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:40:12
+ --> $DIR/disallowed-positions.rs:62:12
|
LL | while (let 0 = 1) && true {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:43:20
+ --> $DIR/disallowed-positions.rs:65:20
|
LL | while true && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:43:20
+ --> $DIR/disallowed-positions.rs:65:20
|
LL | while true && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:46:12
+ --> $DIR/disallowed-positions.rs:68:12
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:46:12
+ --> $DIR/disallowed-positions.rs:68:12
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:46:27
+ --> $DIR/disallowed-positions.rs:68:27
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:46:27
+ --> $DIR/disallowed-positions.rs:68:27
|
LL | while (let 0 = 1) && (let 0 = 1) {}
| ^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:50:12
+ --> $DIR/disallowed-positions.rs:72:38
|
-LL | while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^
- |
- = note: only supported directly in conditions of `if` and `while` expressions
-note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:50:12
- |
-LL | while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:50:25
- |
-LL | while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^
- |
- = note: only supported directly in conditions of `if` and `while` expressions
-note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:50:12
- |
-LL | while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:50:38
- |
-LL | while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:50:12
+ --> $DIR/disallowed-positions.rs:72:38
|
-LL | while (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:70:9
+ --> $DIR/disallowed-positions.rs:72:51
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:72:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:72:64
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:72:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:95:9
|
LL | if &let 0 = 0 {}
| ^^^^^^^^^
@@ -241,7 +241,7 @@ LL | if &let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:73:9
+ --> $DIR/disallowed-positions.rs:98:9
|
LL | if !let 0 = 0 {}
| ^^^^^^^^^
@@ -249,7 +249,7 @@ LL | if !let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:75:9
+ --> $DIR/disallowed-positions.rs:100:9
|
LL | if *let 0 = 0 {}
| ^^^^^^^^^
@@ -257,7 +257,7 @@ LL | if *let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:77:9
+ --> $DIR/disallowed-positions.rs:102:9
|
LL | if -let 0 = 0 {}
| ^^^^^^^^^
@@ -265,7 +265,7 @@ LL | if -let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:85:9
+ --> $DIR/disallowed-positions.rs:110:9
|
LL | if (let 0 = 0)? {}
| ^^^^^^^^^
@@ -273,20 +273,20 @@ LL | if (let 0 = 0)? {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:88:16
+ --> $DIR/disallowed-positions.rs:113:16
|
LL | if true || let 0 = 0 {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `||` operators are not supported in let chain expressions
- --> $DIR/disallowed-positions-without-feature-gate.rs:88:13
+ --> $DIR/disallowed-positions.rs:113:13
|
LL | if true || let 0 = 0 {}
| ^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:90:17
+ --> $DIR/disallowed-positions.rs:115:17
|
LL | if (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -294,7 +294,7 @@ LL | if (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:92:25
+ --> $DIR/disallowed-positions.rs:117:25
|
LL | if true && (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -302,7 +302,7 @@ LL | if true && (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:94:25
+ --> $DIR/disallowed-positions.rs:119:25
|
LL | if true || (true && let 0 = 0) {}
| ^^^^^^^^^
@@ -310,7 +310,7 @@ LL | if true || (true && let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:98:12
+ --> $DIR/disallowed-positions.rs:123:12
|
LL | if x = let 0 = 0 {}
| ^^^
@@ -318,7 +318,7 @@ LL | if x = let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:101:15
+ --> $DIR/disallowed-positions.rs:126:15
|
LL | if true..(let 0 = 0) {}
| ^^^^^^^^^
@@ -326,7 +326,7 @@ LL | if true..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:104:11
+ --> $DIR/disallowed-positions.rs:129:11
|
LL | if ..(let 0 = 0) {}
| ^^^^^^^^^
@@ -334,7 +334,7 @@ LL | if ..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:106:9
+ --> $DIR/disallowed-positions.rs:131:9
|
LL | if (let 0 = 0).. {}
| ^^^^^^^^^
@@ -342,7 +342,7 @@ LL | if (let 0 = 0).. {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:110:8
+ --> $DIR/disallowed-positions.rs:135:8
|
LL | if let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -350,7 +350,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:113:8
+ --> $DIR/disallowed-positions.rs:138:8
|
LL | if let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -358,7 +358,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:119:8
+ --> $DIR/disallowed-positions.rs:144:8
|
LL | if let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -366,7 +366,7 @@ LL | if let Range { start: F, end } = F..|| true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:125:8
+ --> $DIR/disallowed-positions.rs:150:8
|
LL | if let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -374,7 +374,7 @@ LL | if let Range { start: true, end } = t..&&false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:129:19
+ --> $DIR/disallowed-positions.rs:154:19
|
LL | if let true = let true = true {}
| ^^^
@@ -382,7 +382,7 @@ LL | if let true = let true = true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:134:12
+ --> $DIR/disallowed-positions.rs:160:12
|
LL | while &let 0 = 0 {}
| ^^^^^^^^^
@@ -390,7 +390,7 @@ LL | while &let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:137:12
+ --> $DIR/disallowed-positions.rs:163:12
|
LL | while !let 0 = 0 {}
| ^^^^^^^^^
@@ -398,7 +398,7 @@ LL | while !let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:139:12
+ --> $DIR/disallowed-positions.rs:165:12
|
LL | while *let 0 = 0 {}
| ^^^^^^^^^
@@ -406,7 +406,7 @@ LL | while *let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:141:12
+ --> $DIR/disallowed-positions.rs:167:12
|
LL | while -let 0 = 0 {}
| ^^^^^^^^^
@@ -414,7 +414,7 @@ LL | while -let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:149:12
+ --> $DIR/disallowed-positions.rs:175:12
|
LL | while (let 0 = 0)? {}
| ^^^^^^^^^
@@ -422,20 +422,20 @@ LL | while (let 0 = 0)? {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:152:19
+ --> $DIR/disallowed-positions.rs:178:19
|
LL | while true || let 0 = 0 {}
| ^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `||` operators are not supported in let chain expressions
- --> $DIR/disallowed-positions-without-feature-gate.rs:152:16
+ --> $DIR/disallowed-positions.rs:178:16
|
LL | while true || let 0 = 0 {}
| ^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:154:20
+ --> $DIR/disallowed-positions.rs:180:20
|
LL | while (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -443,7 +443,7 @@ LL | while (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:156:28
+ --> $DIR/disallowed-positions.rs:182:28
|
LL | while true && (true || let 0 = 0) {}
| ^^^^^^^^^
@@ -451,7 +451,7 @@ LL | while true && (true || let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:158:28
+ --> $DIR/disallowed-positions.rs:184:28
|
LL | while true || (true && let 0 = 0) {}
| ^^^^^^^^^
@@ -459,7 +459,7 @@ LL | while true || (true && let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:162:15
+ --> $DIR/disallowed-positions.rs:188:15
|
LL | while x = let 0 = 0 {}
| ^^^
@@ -467,7 +467,7 @@ LL | while x = let 0 = 0 {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:165:18
+ --> $DIR/disallowed-positions.rs:191:18
|
LL | while true..(let 0 = 0) {}
| ^^^^^^^^^
@@ -475,7 +475,7 @@ LL | while true..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:168:14
+ --> $DIR/disallowed-positions.rs:194:14
|
LL | while ..(let 0 = 0) {}
| ^^^^^^^^^
@@ -483,7 +483,7 @@ LL | while ..(let 0 = 0) {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:170:12
+ --> $DIR/disallowed-positions.rs:196:12
|
LL | while (let 0 = 0).. {}
| ^^^^^^^^^
@@ -491,7 +491,7 @@ LL | while (let 0 = 0).. {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:174:11
+ --> $DIR/disallowed-positions.rs:200:11
|
LL | while let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -499,7 +499,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:177:11
+ --> $DIR/disallowed-positions.rs:203:11
|
LL | while let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -507,7 +507,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:183:11
+ --> $DIR/disallowed-positions.rs:209:11
|
LL | while let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -515,7 +515,7 @@ LL | while let Range { start: F, end } = F..|| true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:189:11
+ --> $DIR/disallowed-positions.rs:215:11
|
LL | while let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -523,7 +523,7 @@ LL | while let Range { start: true, end } = t..&&false {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:193:22
+ --> $DIR/disallowed-positions.rs:219:22
|
LL | while let true = let true = true {}
| ^^^
@@ -531,7 +531,7 @@ LL | while let true = let true = true {}
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:208:6
+ --> $DIR/disallowed-positions.rs:236:6
|
LL | &let 0 = 0;
| ^^^
@@ -539,7 +539,7 @@ LL | &let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:211:6
+ --> $DIR/disallowed-positions.rs:239:6
|
LL | !let 0 = 0;
| ^^^
@@ -547,7 +547,7 @@ LL | !let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:213:6
+ --> $DIR/disallowed-positions.rs:241:6
|
LL | *let 0 = 0;
| ^^^
@@ -555,7 +555,7 @@ LL | *let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:215:6
+ --> $DIR/disallowed-positions.rs:243:6
|
LL | -let 0 = 0;
| ^^^
@@ -563,7 +563,7 @@ LL | -let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:217:13
+ --> $DIR/disallowed-positions.rs:245:13
|
LL | let _ = let _ = 3;
| ^^^
@@ -571,7 +571,7 @@ LL | let _ = let _ = 3;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:225:6
+ --> $DIR/disallowed-positions.rs:253:6
|
LL | (let 0 = 0)?;
| ^^^
@@ -579,7 +579,7 @@ LL | (let 0 = 0)?;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:228:13
+ --> $DIR/disallowed-positions.rs:256:13
|
LL | true || let 0 = 0;
| ^^^
@@ -587,7 +587,7 @@ LL | true || let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:230:14
+ --> $DIR/disallowed-positions.rs:258:14
|
LL | (true || let 0 = 0);
| ^^^
@@ -595,7 +595,7 @@ LL | (true || let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:232:22
+ --> $DIR/disallowed-positions.rs:260:22
|
LL | true && (true || let 0 = 0);
| ^^^
@@ -603,7 +603,7 @@ LL | true && (true || let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:236:9
+ --> $DIR/disallowed-positions.rs:264:9
|
LL | x = let 0 = 0;
| ^^^
@@ -611,7 +611,7 @@ LL | x = let 0 = 0;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:239:12
+ --> $DIR/disallowed-positions.rs:267:12
|
LL | true..(let 0 = 0);
| ^^^
@@ -619,7 +619,7 @@ LL | true..(let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:241:8
+ --> $DIR/disallowed-positions.rs:269:8
|
LL | ..(let 0 = 0);
| ^^^
@@ -627,7 +627,7 @@ LL | ..(let 0 = 0);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:243:6
+ --> $DIR/disallowed-positions.rs:271:6
|
LL | (let 0 = 0)..;
| ^^^
@@ -635,7 +635,7 @@ LL | (let 0 = 0)..;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:246:6
+ --> $DIR/disallowed-positions.rs:274:6
|
LL | (let Range { start: _, end: _ } = true..true || false);
| ^^^
@@ -643,7 +643,7 @@ LL | (let Range { start: _, end: _ } = true..true || false);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:250:6
+ --> $DIR/disallowed-positions.rs:278:6
|
LL | (let true = let true = true);
| ^^^
@@ -651,7 +651,7 @@ LL | (let true = let true = true);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:250:17
+ --> $DIR/disallowed-positions.rs:278:17
|
LL | (let true = let true = true);
| ^^^
@@ -659,7 +659,7 @@ LL | (let true = let true = true);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:256:25
+ --> $DIR/disallowed-positions.rs:284:25
|
LL | let x = true && let y = 1;
| ^^^
@@ -667,7 +667,7 @@ LL | let x = true && let y = 1;
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:262:19
+ --> $DIR/disallowed-positions.rs:290:19
|
LL | [1, 2, 3][let _ = ()]
| ^^^
@@ -675,7 +675,7 @@ LL | [1, 2, 3][let _ = ()]
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:267:6
+ --> $DIR/disallowed-positions.rs:295:6
|
LL | &let 0 = 0
| ^^^
@@ -683,7 +683,7 @@ LL | &let 0 = 0
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:277:17
+ --> $DIR/disallowed-positions.rs:306:17
|
LL | true && let 1 = 1
| ^^^
@@ -691,7 +691,7 @@ LL | true && let 1 = 1
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:282:17
+ --> $DIR/disallowed-positions.rs:311:17
|
LL | true && let 1 = 1
| ^^^
@@ -699,7 +699,7 @@ LL | true && let 1 = 1
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:287:17
+ --> $DIR/disallowed-positions.rs:316:17
|
LL | true && let 1 = 1
| ^^^
@@ -707,7 +707,7 @@ LL | true && let 1 = 1
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:298:17
+ --> $DIR/disallowed-positions.rs:327:17
|
LL | true && let 1 = 1
| ^^^
@@ -715,7 +715,7 @@ LL | true && let 1 = 1
= note: only supported directly in conditions of `if` and `while` expressions
error: expressions must be enclosed in braces to be used as const generic arguments
- --> $DIR/disallowed-positions-without-feature-gate.rs:298:9
+ --> $DIR/disallowed-positions.rs:327:9
|
LL | true && let 1 = 1
| ^^^^^^^^^^^^^^^^^
@@ -726,124 +726,124 @@ LL | { true && let 1 = 1 }
| + +
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:307:9
+ --> $DIR/disallowed-positions.rs:337:9
|
LL | if (let Some(a) = opt && true) {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:307:9
+ --> $DIR/disallowed-positions.rs:337:9
|
LL | if (let Some(a) = opt && true) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:311:9
+ --> $DIR/disallowed-positions.rs:341:9
|
LL | if (let Some(a) = opt) && true {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:311:9
+ --> $DIR/disallowed-positions.rs:341:9
|
LL | if (let Some(a) = opt) && true {
| ^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:314:9
+ --> $DIR/disallowed-positions.rs:344:9
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:314:9
+ --> $DIR/disallowed-positions.rs:344:9
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:314:32
+ --> $DIR/disallowed-positions.rs:344:32
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:314:32
+ --> $DIR/disallowed-positions.rs:344:32
|
LL | if (let Some(a) = opt) && (let Some(b) = a) {
| ^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:319:9
+ --> $DIR/disallowed-positions.rs:351:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:319:9
+ --> $DIR/disallowed-positions.rs:351:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:319:31
+ --> $DIR/disallowed-positions.rs:351:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:319:31
+ --> $DIR/disallowed-positions.rs:351:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
| ^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:323:9
+ --> $DIR/disallowed-positions.rs:355:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:323:9
+ --> $DIR/disallowed-positions.rs:355:9
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:323:31
+ --> $DIR/disallowed-positions.rs:355:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:323:31
+ --> $DIR/disallowed-positions.rs:355:31
|
LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
| ^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:327:9
+ --> $DIR/disallowed-positions.rs:359:9
|
LL | if (let Some(a) = opt && (true)) && true {
| ^^^^^^^^^^^^^^^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
- --> $DIR/disallowed-positions-without-feature-gate.rs:327:9
+ --> $DIR/disallowed-positions.rs:359:9
|
LL | if (let Some(a) = opt && (true)) && true {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:332:22
+ --> $DIR/disallowed-positions.rs:375:22
|
LL | let x = (true && let y = 1);
| ^^^
@@ -851,7 +851,7 @@ LL | let x = (true && let y = 1);
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:337:20
+ --> $DIR/disallowed-positions.rs:380:20
|
LL | ([1, 2, 3][let _ = ()])
| ^^^
@@ -859,7 +859,7 @@ LL | ([1, 2, 3][let _ = ()])
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:63:16
+ --> $DIR/disallowed-positions.rs:87:16
|
LL | use_expr!((let 0 = 1 && 0 == 0));
| ^^^
@@ -867,15 +867,105 @@ LL | use_expr!((let 0 = 1 && 0 == 0));
= note: only supported directly in conditions of `if` and `while` expressions
error: expected expression, found `let` statement
- --> $DIR/disallowed-positions-without-feature-gate.rs:65:16
+ --> $DIR/disallowed-positions.rs:89:16
|
LL | use_expr!((let 0 = 1));
| ^^^
|
= note: only supported directly in conditions of `if` and `while` expressions
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:47:8
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:47:21
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:72:11
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:72:24
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:348:8
+ |
+LL | if let Some(a) = opt && (true && true) {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:363:28
+ |
+LL | if (true && (true)) && let Some(a) = opt {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:365:18
+ |
+LL | if (true) && let Some(a) = opt {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:367:16
+ |
+LL | if true && let Some(a) = opt {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: `let` expressions in this position are unstable
+ --> $DIR/disallowed-positions.rs:371:8
+ |
+LL | if let true = (true && fun()) && (true) {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
+ = help: add `#![feature(let_chains)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:101:8
+ --> $DIR/disallowed-positions.rs:126:8
|
LL | if true..(let 0 = 0) {}
| ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range<bool>`
@@ -884,7 +974,7 @@ LL | if true..(let 0 = 0) {}
found struct `std::ops::Range<bool>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:110:12
+ --> $DIR/disallowed-positions.rs:135:12
|
LL | if let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -895,7 +985,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:113:12
+ --> $DIR/disallowed-positions.rs:138:12
|
LL | if let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -906,7 +996,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:119:12
+ --> $DIR/disallowed-positions.rs:144:12
|
LL | if let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool`
@@ -917,7 +1007,7 @@ LL | if let Range { start: F, end } = F..|| true {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:125:12
+ --> $DIR/disallowed-positions.rs:150:12
|
LL | if let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool`
@@ -928,7 +1018,7 @@ LL | if let Range { start: true, end } = t..&&false {}
found struct `std::ops::Range<_>`
error[E0277]: the `?` operator can only be applied to values that implement `Try`
- --> $DIR/disallowed-positions-without-feature-gate.rs:81:20
+ --> $DIR/disallowed-positions.rs:106:20
|
LL | if let 0 = 0? {}
| ^^ the `?` operator cannot be applied to type `{integer}`
@@ -936,7 +1026,7 @@ LL | if let 0 = 0? {}
= help: the trait `Try` is not implemented for `{integer}`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:165:11
+ --> $DIR/disallowed-positions.rs:191:11
|
LL | while true..(let 0 = 0) {}
| ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range<bool>`
@@ -945,7 +1035,7 @@ LL | while true..(let 0 = 0) {}
found struct `std::ops::Range<bool>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:174:15
+ --> $DIR/disallowed-positions.rs:200:15
|
LL | while let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -956,7 +1046,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:177:15
+ --> $DIR/disallowed-positions.rs:203:15
|
LL | while let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -967,7 +1057,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:183:15
+ --> $DIR/disallowed-positions.rs:209:15
|
LL | while let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool`
@@ -978,7 +1068,7 @@ LL | while let Range { start: F, end } = F..|| true {}
found struct `std::ops::Range<_>`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:189:15
+ --> $DIR/disallowed-positions.rs:215:15
|
LL | while let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool`
@@ -989,7 +1079,7 @@ LL | while let Range { start: true, end } = t..&&false {}
found struct `std::ops::Range<_>`
error[E0277]: the `?` operator can only be applied to values that implement `Try`
- --> $DIR/disallowed-positions-without-feature-gate.rs:145:23
+ --> $DIR/disallowed-positions.rs:171:23
|
LL | while let 0 = 0? {}
| ^^ the `?` operator cannot be applied to type `{integer}`
@@ -997,7 +1087,7 @@ LL | while let 0 = 0? {}
= help: the trait `Try` is not implemented for `{integer}`
error[E0308]: mismatched types
- --> $DIR/disallowed-positions-without-feature-gate.rs:246:10
+ --> $DIR/disallowed-positions.rs:274:10
|
LL | (let Range { start: _, end: _ } = true..true || false);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool`
@@ -1008,14 +1098,14 @@ LL | (let Range { start: _, end: _ } = true..true || false);
found struct `std::ops::Range<_>`
error[E0277]: the `?` operator can only be applied to values that implement `Try`
- --> $DIR/disallowed-positions-without-feature-gate.rs:221:17
+ --> $DIR/disallowed-positions.rs:249:17
|
LL | let 0 = 0?;
| ^^ the `?` operator cannot be applied to type `{integer}`
|
= help: the trait `Try` is not implemented for `{integer}`
-error: aborting due to 105 previous errors
+error: aborting due to 114 previous errors
-Some errors have detailed explanations: E0277, E0308.
+Some errors have detailed explanations: E0277, E0308, E0658.
For more information about an error, try `rustc --explain E0277`.
diff --git a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.nothing.stderr b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.nothing.stderr
new file mode 100644
index 00000000000..dbe694b6e94
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.nothing.stderr
@@ -0,0 +1,862 @@
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:32:9
+ |
+LL | if (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:32:9
+ |
+LL | if (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:35:11
+ |
+LL | if (((let 0 = 1))) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:35:11
+ |
+LL | if (((let 0 = 1))) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:38:9
+ |
+LL | if (let 0 = 1) && true {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:38:9
+ |
+LL | if (let 0 = 1) && true {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:41:17
+ |
+LL | if true && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:41:17
+ |
+LL | if true && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:44:9
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:44:9
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:44:24
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:44:24
+ |
+LL | if (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:48:48
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:48:61
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:48:35
+ |
+LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:58:12
+ |
+LL | while (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:58:12
+ |
+LL | while (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:61:14
+ |
+LL | while (((let 0 = 1))) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:61:14
+ |
+LL | while (((let 0 = 1))) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:64:12
+ |
+LL | while (let 0 = 1) && true {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:64:12
+ |
+LL | while (let 0 = 1) && true {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:67:20
+ |
+LL | while true && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:67:20
+ |
+LL | while true && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:70:12
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:70:12
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:70:27
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:70:27
+ |
+LL | while (let 0 = 1) && (let 0 = 1) {}
+ | ^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:74:51
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:74:64
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:74:38
+ |
+LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:98:9
+ |
+LL | if &let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:101:9
+ |
+LL | if !let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:103:9
+ |
+LL | if *let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:105:9
+ |
+LL | if -let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:113:9
+ |
+LL | if (let 0 = 0)? {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:116:16
+ |
+LL | if true || let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `||` operators are not supported in let chain expressions
+ --> $DIR/disallowed-positions.rs:116:13
+ |
+LL | if true || let 0 = 0 {}
+ | ^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:118:17
+ |
+LL | if (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:120:25
+ |
+LL | if true && (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:122:25
+ |
+LL | if true || (true && let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:126:12
+ |
+LL | if x = let 0 = 0 {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:129:15
+ |
+LL | if true..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:132:11
+ |
+LL | if ..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:134:9
+ |
+LL | if (let 0 = 0).. {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:138:8
+ |
+LL | if let Range { start: _, end: _ } = true..true && false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:141:8
+ |
+LL | if let Range { start: _, end: _ } = true..true || false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:147:8
+ |
+LL | if let Range { start: F, end } = F..|| true {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:153:8
+ |
+LL | if let Range { start: true, end } = t..&&false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:157:19
+ |
+LL | if let true = let true = true {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:163:12
+ |
+LL | while &let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:166:12
+ |
+LL | while !let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:168:12
+ |
+LL | while *let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:170:12
+ |
+LL | while -let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:178:12
+ |
+LL | while (let 0 = 0)? {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:181:19
+ |
+LL | while true || let 0 = 0 {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `||` operators are not supported in let chain expressions
+ --> $DIR/disallowed-positions.rs:181:16
+ |
+LL | while true || let 0 = 0 {}
+ | ^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:183:20
+ |
+LL | while (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:185:28
+ |
+LL | while true && (true || let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:187:28
+ |
+LL | while true || (true && let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:191:15
+ |
+LL | while x = let 0 = 0 {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:194:18
+ |
+LL | while true..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:197:14
+ |
+LL | while ..(let 0 = 0) {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:199:12
+ |
+LL | while (let 0 = 0).. {}
+ | ^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:203:11
+ |
+LL | while let Range { start: _, end: _ } = true..true && false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:206:11
+ |
+LL | while let Range { start: _, end: _ } = true..true || false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:212:11
+ |
+LL | while let Range { start: F, end } = F..|| true {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:218:11
+ |
+LL | while let Range { start: true, end } = t..&&false {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:222:22
+ |
+LL | while let true = let true = true {}
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:239:6
+ |
+LL | &let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:242:6
+ |
+LL | !let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:244:6
+ |
+LL | *let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:246:6
+ |
+LL | -let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:248:13
+ |
+LL | let _ = let _ = 3;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:256:6
+ |
+LL | (let 0 = 0)?;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:259:13
+ |
+LL | true || let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:261:14
+ |
+LL | (true || let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:263:22
+ |
+LL | true && (true || let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:267:9
+ |
+LL | x = let 0 = 0;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:270:12
+ |
+LL | true..(let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:272:8
+ |
+LL | ..(let 0 = 0);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:274:6
+ |
+LL | (let 0 = 0)..;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:277:6
+ |
+LL | (let Range { start: _, end: _ } = true..true || false);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:281:6
+ |
+LL | (let true = let true = true);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:281:17
+ |
+LL | (let true = let true = true);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:287:25
+ |
+LL | let x = true && let y = 1;
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:293:19
+ |
+LL | [1, 2, 3][let _ = ()]
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:298:6
+ |
+LL | &let 0 = 0
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:309:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:314:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:319:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:330:17
+ |
+LL | true && let 1 = 1
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expressions must be enclosed in braces to be used as const generic arguments
+ --> $DIR/disallowed-positions.rs:330:9
+ |
+LL | true && let 1 = 1
+ | ^^^^^^^^^^^^^^^^^
+ |
+help: enclose the `const` expression in braces
+ |
+LL | { true && let 1 = 1 }
+ | + +
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:340:9
+ |
+LL | if (let Some(a) = opt && true) {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:340:9
+ |
+LL | if (let Some(a) = opt && true) {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:344:9
+ |
+LL | if (let Some(a) = opt) && true {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:344:9
+ |
+LL | if (let Some(a) = opt) && true {
+ | ^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:347:9
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:347:9
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:347:32
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:347:32
+ |
+LL | if (let Some(a) = opt) && (let Some(b) = a) {
+ | ^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:355:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:355:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:355:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:355:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
+ | ^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:359:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:359:9
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:359:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:359:31
+ |
+LL | if (let Some(a) = opt && (let Some(b) = a)) && true {
+ | ^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:363:9
+ |
+LL | if (let Some(a) = opt && (true)) && true {
+ | ^^^^^^^^^^^^^^^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+note: `let`s wrapped in parentheses are not supported in a context with let chains
+ --> $DIR/disallowed-positions.rs:363:9
+ |
+LL | if (let Some(a) = opt && (true)) && true {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:383:22
+ |
+LL | let x = (true && let y = 1);
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: expected expression, found `let` statement
+ --> $DIR/disallowed-positions.rs:388:20
+ |
+LL | ([1, 2, 3][let _ = ()])
+ | ^^^
+ |
+ = note: only supported directly in conditions of `if` and `while` expressions
+
+error: aborting due to 89 previous errors
+
diff --git a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.rs b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.rs
index 4ac3ea53a08..c0f7b03a6e3 100644
--- a/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.rs
+++ b/tests/ui/rfcs/rfc-2497-if-let-chains/disallowed-positions.rs
@@ -1,3 +1,4 @@
+//@ revisions: no_feature feature nothing
// Here we test that `lowering` behaves correctly wrt. `let $pats = $expr` expressions.
//
// We want to make sure that `let` is banned in situations other than:
@@ -17,7 +18,8 @@
//
// To that end, we check some positions which is not part of the language above.
-#![feature(let_chains)] // Avoid inflating `.stderr` with overzealous gates in this test.
+// Avoid inflating `.stderr` with overzealous gates (or test what happens if you disable the gate)
+#![cfg_attr(not(no_feature), feature(let_chains))]
#![allow(irrefutable_let_patterns)]
@@ -25,6 +27,7 @@ use std::ops::Range;
fn main() {}
+#[cfg(not(nothing))]
fn _if() {
if (let 0 = 1) {}
//~^ ERROR expected expression, found `let` statement
@@ -46,8 +49,11 @@ fn _if() {
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
+ //[no_feature]~| ERROR `let` expressions in this position are unstable
+ //[no_feature]~| ERROR `let` expressions in this position are unstable
}
+#[cfg(not(nothing))]
fn _while() {
while (let 0 = 1) {}
//~^ ERROR expected expression, found `let` statement
@@ -69,8 +75,11 @@ fn _while() {
//~^ ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
//~| ERROR expected expression, found `let` statement
+ //[no_feature]~| ERROR `let` expressions in this position are unstable
+ //[no_feature]~| ERROR `let` expressions in this position are unstable
}
+#[cfg(not(nothing))]
fn _macros() {
macro_rules! use_expr {
($e:expr) => {
@@ -79,11 +88,12 @@ fn _macros() {
}
}
use_expr!((let 0 = 1 && 0 == 0));
- //~^ ERROR expected expression, found `let` statement
+ //[feature,no_feature]~^ ERROR expected expression, found `let` statement
use_expr!((let 0 = 1));
- //~^ ERROR expected expression, found `let` statement
+ //[feature,no_feature]~^ ERROR expected expression, found `let` statement
}
+#[cfg(not(nothing))]
fn nested_within_if_expr() {
if &let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
@@ -97,7 +107,7 @@ fn nested_within_if_expr() {
fn _check_try_binds_tighter() -> Result<(), ()> {
if let 0 = 0? {}
- //~^ ERROR the `?` operator can only be applied to values that implement `Try`
+ //[feature,no_feature]~^ ERROR the `?` operator can only be applied to values that implement `Try`
Ok(())
}
if (let 0 = 0)? {}
@@ -118,7 +128,7 @@ fn nested_within_if_expr() {
if true..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
if ..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
if (let 0 = 0).. {}
@@ -127,27 +137,28 @@ fn nested_within_if_expr() {
// Binds as `(let ... = true)..true &&/|| false`.
if let Range { start: _, end: _ } = true..true && false {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
if let Range { start: _, end: _ } = true..true || false {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
// Binds as `(let Range { start: F, end } = F)..(|| true)`.
const F: fn() -> bool = || true;
if let Range { start: F, end } = F..|| true {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
// Binds as `(let Range { start: true, end } = t)..(&&false)`.
let t = &&true;
if let Range { start: true, end } = t..&&false {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
if let true = let true = true {}
//~^ ERROR expected expression, found `let` statement
}
+#[cfg(not(nothing))]
fn nested_within_while_expr() {
while &let 0 = 0 {}
//~^ ERROR expected expression, found `let` statement
@@ -161,7 +172,7 @@ fn nested_within_while_expr() {
fn _check_try_binds_tighter() -> Result<(), ()> {
while let 0 = 0? {}
- //~^ ERROR the `?` operator can only be applied to values that implement `Try`
+ //[feature,no_feature]~^ ERROR the `?` operator can only be applied to values that implement `Try`
Ok(())
}
while (let 0 = 0)? {}
@@ -182,7 +193,7 @@ fn nested_within_while_expr() {
while true..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
while ..(let 0 = 0) {}
//~^ ERROR expected expression, found `let` statement
while (let 0 = 0).. {}
@@ -191,27 +202,28 @@ fn nested_within_while_expr() {
// Binds as `(let ... = true)..true &&/|| false`.
while let Range { start: _, end: _ } = true..true && false {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
while let Range { start: _, end: _ } = true..true || false {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
// Binds as `(let Range { start: F, end } = F)..(|| true)`.
const F: fn() -> bool = || true;
while let Range { start: F, end } = F..|| true {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
// Binds as `(let Range { start: true, end } = t)..(&&false)`.
let t = &&true;
while let Range { start: true, end } = t..&&false {}
//~^ ERROR expected expression, found `let` statement
- //~| ERROR mismatched types
+ //[feature,no_feature]~| ERROR mismatched types
while let true = let true = true {}
//~^ ERROR expected expression, found `let` statement
}
+#[cfg(not(nothing))]
fn not_error_because_clarified_intent() {
if let Range { start: _, end: _ } = (true..true || false) { }
@@ -222,6 +234,7 @@ fn not_error_because_clarified_intent() {
while let Range { start: _, end: _ } = (true..true && false) { }
}
+#[cfg(not(nothing))]
fn outside_if_and_while_expr() {
&let 0 = 0;
//~^ ERROR expected expression, found `let` statement
@@ -232,10 +245,12 @@ fn outside_if_and_while_expr() {
//~^ ERROR expected expression, found `let` statement
-let 0 = 0;
//~^ ERROR expected expression, found `let` statement
+ let _ = let _ = 3;
+ //~^ ERROR expected expression, found `let` statement
fn _check_try_binds_tighter() -> Result<(), ()> {
let 0 = 0?;
- //~^ ERROR the `?` operator can only be applied to values that implement `Try`
+ //[feature,no_feature]~^ ERROR the `?` operator can only be applied to values that implement `Try`
Ok(())
}
(let 0 = 0)?;
@@ -260,8 +275,8 @@ fn outside_if_and_while_expr() {
//~^ ERROR expected expression, found `let` statement
(let Range { start: _, end: _ } = true..true || false);
- //~^ ERROR mismatched types
- //~| ERROR expected expression, found `let` statement
+ //~^ ERROR expected expression, found `let` statement
+ //[feature,no_feature]~| ERROR mismatched types
(let true = let true = true);
//~^ ERROR expected expression, found `let` statement
@@ -285,6 +300,7 @@ fn outside_if_and_while_expr() {
}
// Let's make sure that `let` inside const generic arguments are considered.
+#[cfg(not(nothing))]
fn inside_const_generic_arguments() {
struct A<const B: bool>;
impl<const B: bool> A<{B}> { const O: u32 = 5; }
@@ -317,6 +333,7 @@ fn inside_const_generic_arguments() {
>::O == 5 {}
}
+#[cfg(not(nothing))]
fn with_parenthesis() {
let opt = Some(Some(1i32));
@@ -332,6 +349,7 @@ fn with_parenthesis() {
//~| ERROR expected expression, found `let` statement
}
if let Some(a) = opt && (true && true) {
+ //[no_feature]~^ ERROR `let` expressions in this position are unstable
}
if (let Some(a) = opt && (let Some(b) = a)) && b == 1 {
@@ -347,14 +365,18 @@ fn with_parenthesis() {
}
if (true && (true)) && let Some(a) = opt {
+ //[no_feature]~^ ERROR `let` expressions in this position are unstable
}
if (true) && let Some(a) = opt {
+ //[no_feature]~^ ERROR `let` expressions in this position are unstable
}
if true && let Some(a) = opt {
+ //[no_feature]~^ ERROR `let` expressions in this position are unstable
}
let fun = || true;
if let true = (true && fun()) && (true) {
+ //[no_feature]~^ ERROR `let` expressions in this position are unstable
}
#[cfg(FALSE)]