rust-clippy/tests/ui/redundant_pattern_matching.stderr

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:15:12
   |
LL |     if let Ok(_) = &result {}
   |     -------^^^^^---------- help: try this: `if result.is_ok()`
   |
   = note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:17:12
   |
LL |     if let Ok(_) = Ok::<i32, i32>(42) {}
   |     -------^^^^^--------------------- help: try this: `if Ok::<i32, i32>(42).is_ok()`

error: redundant pattern matching, consider using `is_err()`
  --> $DIR/redundant_pattern_matching.rs:19:12
   |
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_ok()`
  --> $DIR/redundant_pattern_matching.rs:21:15
   |
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:23:15
   |
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_ok()`
  --> $DIR/redundant_pattern_matching.rs:33:5
   |
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:38:5
   |
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:43:5
   |
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:48:5
   |
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_ok()`
  --> $DIR/redundant_pattern_matching.rs:53:20
   |
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_ok()`
  --> $DIR/redundant_pattern_matching.rs:58:20
   |
LL |     let _ = if let Ok(_) = gen_res() {
   |             -------^^^^^------------ help: try this: `if gen_res().is_ok()`

error: redundant pattern matching, consider using `is_err()`
  --> $DIR/redundant_pattern_matching.rs:60:19
   |
LL |     } else if let Err(_) = gen_res() {
   |            -------^^^^^^------------ help: try this: `if gen_res().is_err()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:83:19
   |
LL |         while let Some(_) = r#try!(result_opt()) {}
   |         ----------^^^^^^^----------------------- help: try this: `while r#try!(result_opt()).is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:84:16
   |
LL |         if let Some(_) = r#try!(result_opt()) {}
   |         -------^^^^^^^----------------------- help: try this: `if r#try!(result_opt()).is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:90:12
   |
LL |     if let Some(_) = m!() {}
   |     -------^^^^^^^------- help: try this: `if m!().is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching.rs:91:15
   |
LL |     while let Some(_) = m!() {}
   |     ----------^^^^^^^------- help: try this: `while m!().is_some()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:98:12
   |
LL |     if let Ok(_) = Ok::<i32, i32>(42) {}
   |     -------^^^^^--------------------- help: try this: `if Ok::<i32, i32>(42).is_ok()`

error: redundant pattern matching, consider using `is_err()`
  --> $DIR/redundant_pattern_matching.rs:100:12
   |
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_ok()`
  --> $DIR/redundant_pattern_matching.rs:102:15
   |
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:104:15
   |
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_ok()`
  --> $DIR/redundant_pattern_matching.rs:106:5
   |
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:111:5
   |
LL | /     match Err::<i32, i32>(42) {
LL | |         Ok(_) => false,
LL | |         Err(_) => true,
LL | |     };
   | |_____^ help: try this: `Err::<i32, i32>(42).is_err()`

error: aborting due to 22 previous errors