rust-clippy/tests/ui/redundant_pattern_matching.stderr
2019-08-21 07:43:42 +02:00

132 lines
4.4 KiB
Text

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