src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.stderr

   1 error: irrefutable `if let` pattern
   2   --> $DIR/deny-irrefutable-let-patterns.rs:7:5
   3    |
   4 LL |     if let _ = 5 {}
   5    |     ^^^^^^^^^^^^^^^
   6    |
   7 note: the lint level is defined here
   8   --> $DIR/deny-irrefutable-let-patterns.rs:4:9
   9    |
  10 LL | #![deny(irrefutable_let_patterns)]
  11    |         ^^^^^^^^^^^^^^^^^^^^^^^^
  12    = note: this pattern will always match, so the `if let` is useless
  13    = help: consider replacing the `if let` with a `let`
  14
  15 error: irrefutable `while let` pattern
  16   --> $DIR/deny-irrefutable-let-patterns.rs:9:5
  17    |
  18 LL | /     while let _ = 5 {
  19 LL | |         break;
  20 LL | |     }
  21    | |_____^
  22    |
  23    = note: this pattern will always match, so the loop will never exit
  24    = help: consider instead using a `loop { ... }` with a `let` inside it
  25
  26 error: irrefutable `if let` guard pattern
  27   --> $DIR/deny-irrefutable-let-patterns.rs:14:18
  28    |
  29 LL |         _ if let _ = 2 => {}
  30    |                  ^
  31    |
  32    = note: this pattern will always match, so the guard is useless
  33    = help: consider removing the guard and adding a `let` inside the match arm
  34
  35 error: aborting due to 3 previous errors
  36