rust-clippy/tests/ui/bool_comparison.stderr

error: equality checks against true are unnecessary
  --> $DIR/bool_comparison.rs:17:8
   |
17 |     if x == true { "yes" } else { "no" };
   |        ^^^^^^^^^ help: try simplifying it as shown: `x`
   |
   = note: `-D clippy::bool-comparison` implied by `-D warnings`

error: equality checks against false can be replaced by a negation
  --> $DIR/bool_comparison.rs:18:8
   |
18 |     if x == false { "yes" } else { "no" };
   |        ^^^^^^^^^^ help: try simplifying it as shown: `!x`

error: equality checks against true are unnecessary
  --> $DIR/bool_comparison.rs:19:8
   |
19 |     if true == x { "yes" } else { "no" };
   |        ^^^^^^^^^ help: try simplifying it as shown: `x`

error: equality checks against false can be replaced by a negation
  --> $DIR/bool_comparison.rs:20:8
   |
20 |     if false == x { "yes" } else { "no" };
   |        ^^^^^^^^^^ help: try simplifying it as shown: `!x`

error: aborting due to 4 previous errors