rust-clippy/tests/ui/redundant_pattern_matching.stderr

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:8:12
   |
LL |     if let Ok(_) = Ok::<i32, i32>(42) {}
   |     -------^^^^^--------------------- help: try this: `if 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:10:12
   |
LL |     if let Err(_) = Err::<i32, i32>(42) {}
   |     -------^^^^^^---------------------- help: try this: `if Err::<i32, i32>(42).is_err()`

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

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:14:12
   |
LL |     if let Some(_) = Some(42) {}
   |     -------^^^^^^^----------- help: try this: `if Some(42).is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:16:12
   |
LL |     if let Some(_) = Some(42) {
   |     -------^^^^^^^----------- help: try this: `if Some(42).is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:22:15
   |
LL |     while let Some(_) = Some(42) {}
   |     ----------^^^^^^^----------- help: try this: `while Some(42).is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching.rs:24:15
   |
LL |     while let None = Some(42) {}
   |     ----------^^^^----------- help: try this: `while Some(42).is_none()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching.rs:26:15
   |
LL |     while let None = None::<()> {}
   |     ----------^^^^------------- help: try this: `while None::<()>.is_none()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:28:15
   |
LL |     while let Ok(_) = Ok::<i32, i32>(10) {}
   |     ----------^^^^^--------------------- help: try this: `while Ok::<i32, i32>(10).is_ok()`

error: redundant pattern matching, consider using `is_err()`
  --> $DIR/redundant_pattern_matching.rs:30:15
   |
LL |     while let Err(_) = Ok::<i32, i32>(10) {}
   |     ----------^^^^^^--------------------- help: try this: `while Ok::<i32, i32>(10).is_err()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:33:15
   |
LL |     while let Some(_) = v.pop() {
   |     ----------^^^^^^^---------- help: try this: `while v.pop().is_some()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:49:5
   |
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:54:5
   |
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:59:5
   |
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:64:5
   |
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:69:5
   |
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:74:5
   |
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:79:13
   |
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:84:20
   |
LL |     let _ = if let Ok(_) = Ok::<usize, ()>(4) { true } else { false };
   |             -------^^^^^--------------------- help: try this: `if Ok::<usize, ()>(4).is_ok()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:90:20
   |
LL |     let x = if let Some(_) = opt { true } else { false };
   |             -------^^^^^^^------ help: try this: `if opt.is_some()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:101:12
   |
LL |     if let Ok(_) = Ok::<i32, i32>(4) {
   |     -------^^^^^-------------------- help: try this: `if Ok::<i32, i32>(4).is_ok()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:109:12
   |
LL |     if let Ok(_) = Ok::<i32, i32>(4) {
   |     -------^^^^^-------------------- help: try this: `if Ok::<i32, i32>(4).is_ok()`

error: aborting due to 22 previous errors