rust-clippy/tests/ui/redundant_pattern_matching.stderr

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:6:12
   |
LL |     if let Ok(_) = Ok::<i32, i32>(42) {}
   |     -------^^^^^------------------------ help: try this: `Ok::<i32, i32>(42).is_ok()`
   |
   = note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`

error: redundant pattern matching, consider using `is_err()`
  --> $DIR/redundant_pattern_matching.rs:8:12
   |
LL |     if let Err(_) = Err::<i32, i32>(42) {}
   |     -------^^^^^^------------------------- help: try this: `Err::<i32, i32>(42).is_err()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching.rs:10:12
   |
LL |     if let None = None::<()> {}
   |     -------^^^^---------------- help: try this: `None::<()>.is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:12:12
   |
LL |     if let Some(_) = Some(42) {}
   |     -------^^^^^^^-------------- help: try this: `Some(42).is_some()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:26:5
   |
LL | /     match Ok::<i32, i32>(42) {
LL | |         Ok(_) => true,
LL | |         Err(_) => false,
LL | |     };
   | |_____^ help: try this: `Ok::<i32, i32>(42).is_ok()`

error: redundant pattern matching, consider using `is_err()`
  --> $DIR/redundant_pattern_matching.rs:31:5
   |
LL | /     match Ok::<i32, i32>(42) {
LL | |         Ok(_) => false,
LL | |         Err(_) => true,
LL | |     };
   | |_____^ help: try this: `Ok::<i32, i32>(42).is_err()`

error: redundant pattern matching, consider using `is_err()`
  --> $DIR/redundant_pattern_matching.rs:36:5
   |
LL | /     match Err::<i32, i32>(42) {
LL | |         Ok(_) => false,
LL | |         Err(_) => true,
LL | |     };
   | |_____^ help: try this: `Err::<i32, i32>(42).is_err()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:41:5
   |
LL | /     match Err::<i32, i32>(42) {
LL | |         Ok(_) => true,
LL | |         Err(_) => false,
LL | |     };
   | |_____^ help: try this: `Err::<i32, i32>(42).is_ok()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:46:5
   |
LL | /     match Some(42) {
LL | |         Some(_) => true,
LL | |         None => false,
LL | |     };
   | |_____^ help: try this: `Some(42).is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching.rs:51:5
   |
LL | /     match None::<()> {
LL | |         Some(_) => false,
LL | |         None => true,
LL | |     };
   | |_____^ help: try this: `None::<()>.is_none()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching.rs:56:13
   |
LL |       let _ = match None::<()> {
   |  _____________^
LL | |         Some(_) => false,
LL | |         None => true,
LL | |     };
   | |_____^ help: try this: `None::<()>.is_none()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:61:20
   |
LL |     let _ = if let Ok(_) = Ok::<usize, ()>(4) { true } else { false };
   |             -------^^^^^--------------------------------------------- help: try this: `Ok::<usize, ()>(4).is_ok()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:67:20
   |
LL |     let x = if let Some(_) = opt { true } else { false };
   |             -------^^^^^^^------------------------------ help: try this: `opt.is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:69:20
   |
LL |     let y = if let Some(_) = opt {};
   |             -------^^^^^^^--------- help: try this: `opt.is_some()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:77:12
   |
LL |       if let Ok(_) = Ok::<i32, i32>(4) {
   |  _____-      ^^^^^
LL | |         true
LL | |     } else {
LL | |         false
LL | |     }
   | |_____- help: try this: `Ok::<i32, i32>(4).is_ok()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:85:12
   |
LL |       if let Ok(_) = Ok::<i32, i32>(4) {
   |  _____-      ^^^^^
LL | |         true
LL | |     } else {
LL | |         false
LL | |     };
   | |_____- help: try this: `Ok::<i32, i32>(4).is_ok()`

error: aborting due to 16 previous errors