os-rust/tests/ui/pattern/usefulness/explain-unreachable-pats.stderr

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:10:9
   |
LL |         (1 | 2,) => {}
   |         -------- matches all the relevant values
LL |
LL |         (2,) => {}
   |         ^^^^ no value can reach this
   |
note: the lint level is defined here
  --> $DIR/explain-unreachable-pats.rs:2:9
   |
LL | #![deny(unreachable_patterns)]
   |         ^^^^^^^^^^^^^^^^^^^^

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:21:9
   |
LL |         (1 | 2,) => {}
   |         ^^^^^^^^ no value can reach this
   |
note: multiple earlier patterns match some of the same values
  --> $DIR/explain-unreachable-pats.rs:21:9
   |
LL |         (1,) => {}
   |         ---- matches some of the same values
LL |
LL |         (2,) => {}
   |         ---- matches some of the same values
LL |
LL |         (1 | 2,) => {}
   |         ^^^^^^^^ collectively making this unreachable

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:32:9
   |
LL |         Err(_) => {}
   |         ^^^^^^
   |
   = note: matches no values because `!` is uninhabited

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:45:9
   |
LL |         (Err(_), Err(_)) => {}
   |         ^^^^^^^^^^^^^^^^
   |
   = note: matches no values because `Void2` is uninhabited

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:51:9
   |
LL |         (Err(_), Err(_)) => {}
   |         ^^^^^^^^^^^^^^^^
   |
   = note: matches no values because `Void1` is uninhabited

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:60:11
   |
LL |     if let (0
   |             - matches all the relevant values
LL |
LL |         | 0, _) = (0, 0) {}
   |           ^ no value can reach this

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:70:9
   |
LL |         (_, true) => {}
   |         ^^^^^^^^^ no value can reach this
   |
note: multiple earlier patterns match some of the same values
  --> $DIR/explain-unreachable-pats.rs:70:9
   |
LL |         (true, _) => {}
   |         --------- matches some of the same values
LL |
LL |         (false, _) => {}
   |         ---------- matches some of the same values
LL |
LL |         (_, true) => {}
   |         ^^^^^^^^^ collectively making this unreachable

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:83:9
   |
LL |         (true, _) => {}
   |         --------- matches all the relevant values
...
LL |         (true, true) => {}
   |         ^^^^^^^^^^^^ no value can reach this

error: unreachable pattern
  --> $DIR/explain-unreachable-pats.rs:95:9
   |
LL |         (_, true, 0..10) => {}
   |         ---------------- matches all the relevant values
...
LL |         (_, true, 3) => {}
   |         ^^^^^^^^^^^^ no value can reach this

error: aborting due to 9 previous errors