4007fc9a0f
Use verbose suggestions and add additional labels/notes. Add more test cases for stable/nightly and feature enabled/disabled.
30 lines
1.3 KiB
Text
30 lines
1.3 KiB
Text
error: `~const` can only be applied to `#[const_trait]` traits
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--> $DIR/const-closure-trait-method-fail.rs:14:32
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LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 {
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| ^^^^^^ can't be applied to `FnOnce`
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note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
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--> $SRC_DIR/core/src/ops/function.rs:LL:COL
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error: `~const` can only be applied to `#[const_trait]` traits
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--> $DIR/const-closure-trait-method-fail.rs:14:32
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LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 {
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| ^^^^^^ can't be applied to `FnOnce`
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note: `FnOnce` can't be used with `~const` because it isn't annotated with `#[const_trait]`
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--> $SRC_DIR/core/src/ops/function.rs:LL:COL
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error[E0015]: cannot call non-const closure in constant functions
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--> $DIR/const-closure-trait-method-fail.rs:15:5
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LL | x(())
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| ^^^^^
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= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0015`.
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