rust-clippy/tests/ui/match_expr_like_matches_macro.stderr

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:10:14
   |
LL |       let _y = match x {
   |  ______________^
LL | |         Some(0) => true,
LL | |         _ => false,
LL | |     };
   | |_____^ help: try this: `matches!(x, Some(0))`
   |
   = note: `-D clippy::match-like-matches-macro` implied by `-D warnings`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:16:14
   |
LL |       let _w = match x {
   |  ______________^
LL | |         Some(_) => true,
LL | |         _ => false,
LL | |     };
   | |_____^ help: try this: `matches!(x, Some(_))`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/match_expr_like_matches_macro.rs:22:14
   |
LL |       let _z = match x {
   |  ______________^
LL | |         Some(_) => false,
LL | |         None => true,
LL | |     };
   | |_____^ help: try this: `x.is_none()`
   |
   = note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:28:15
   |
LL |       let _zz = match x {
   |  _______________^
LL | |         Some(r) if r == 0 => false,
LL | |         _ => true,
LL | |     };
   | |_____^ help: try this: `!matches!(x, Some(r) if r == 0)`

error: if let .. else expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:34:16
   |
LL |     let _zzz = if let Some(5) = x { true } else { false };
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `matches!(x, Some(5))`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:58:20
   |
LL |           let _ans = match x {
   |  ____________________^
LL | |             E::A(_) => true,
LL | |             E::B(_) => true,
LL | |             _ => false,
LL | |         };
   | |_________^ help: try this: `matches!(x, E::A(_) | E::B(_))`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:66:20
   |
LL |           let _ans = match x {
   |  ____________________^
LL | |             E::B(_) => false,
LL | |             E::C => false,
LL | |             _ => true,
LL | |         };
   | |_________^ help: try this: `!matches!(x, E::B(_) | E::C)`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:126:18
   |
LL |           let _z = match &z {
   |  __________________^
LL | |             Some(3) => true,
LL | |             _ => false,
LL | |         };
   | |_________^ help: try this: `matches!(z, Some(3))`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:135:18
   |
LL |           let _z = match &z {
   |  __________________^
LL | |             Some(3) => true,
LL | |             _ => false,
LL | |         };
   | |_________^ help: try this: `matches!(&z, Some(3))`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:152:21
   |
LL |               let _ = match &z {
   |  _____________________^
LL | |                 AnEnum::X => true,
LL | |                 _ => false,
LL | |             };
   | |_____________^ help: try this: `matches!(&z, AnEnum::X)`

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:166:20
   |
LL |           let _res = match &val {
   |  ____________________^
LL | |             &Some(ref _a) => true,
LL | |             _ => false,
LL | |         };
   | |_________^ help: try this: `matches!(&val, &Some(ref _a))`

error: you don't need to add `&` to both the expression and the patterns
  --> $DIR/match_expr_like_matches_macro.rs:166:20
   |
LL |           let _res = match &val {
   |  ____________________^
LL | |             &Some(ref _a) => true,
LL | |             _ => false,
LL | |         };
   | |_________^
   |
   = note: `-D clippy::match-ref-pats` implied by `-D warnings`
help: try
   |
LL |         let _res = match val {
LL |             Some(ref _a) => true,
   |

error: match expression looks like `matches!` macro
  --> $DIR/match_expr_like_matches_macro.rs:178:20
   |
LL |           let _res = match &val {
   |  ____________________^
LL | |             &Some(ref _a) => true,
LL | |             _ => false,
LL | |         };
   | |_________^ help: try this: `matches!(&val, &Some(ref _a))`

error: you don't need to add `&` to both the expression and the patterns
  --> $DIR/match_expr_like_matches_macro.rs:178:20
   |
LL |           let _res = match &val {
   |  ____________________^
LL | |             &Some(ref _a) => true,
LL | |             _ => false,
LL | |         };
   | |_________^
   |
help: try
   |
LL |         let _res = match val {
LL |             Some(ref _a) => true,
   |

error: aborting due to 14 previous errors