error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:14:12
   |
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:16:12
   |
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:18:12
   |
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:20:12
   |
LL |     if let Some(_) = Some(42) {}
   |     -------^^^^^^^-------------- help: try this: `if Some(42).is_some()`

error: redundant pattern matching, consider using `is_ok()`
  --> $DIR/redundant_pattern_matching.rs:34:5
   |
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:39:5
   |
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:44:5
   |
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:49:5
   |
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:54:5
   |
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:59:5
   |
LL | /     match None::<()> {
LL | |         Some(_) => false,
LL | |         None => true,
LL | |     };
   | |_____^ help: try this: `None::<()>.is_none()`

error: aborting due to 10 previous errors