rust-clippy/clippy_tests/examples/if_let_redundant_pattern_matching.stderr
2017-07-03 12:37:30 +08:00

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error: redundant pattern matching, consider using `is_ok()`
--> if_let_redundant_pattern_matching.rs:9:12
|
9 | if let Ok(_) = Ok::<i32, i32>(42) {}
| -------^^^^^--------------------- help: try this `if Ok::<i32, i32>(42).is_ok()`
|
= note: `-D if-let-redundant-pattern-matching` implied by `-D warnings`
error: redundant pattern matching, consider using `is_err()`
--> if_let_redundant_pattern_matching.rs:11:12
|
11 | 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()`
--> if_let_redundant_pattern_matching.rs:14:12
|
14 | if let None = None::<()> {
| -------^^^^------------- help: try this `if None::<()>.is_none()`
error: redundant pattern matching, consider using `is_some()`
--> if_let_redundant_pattern_matching.rs:17:12
|
17 | if let Some(_) = Some(42) {
| -------^^^^^^^----------- help: try this `if Some(42).is_some()`
error: aborting due to 4 previous errors
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