rust/tests/ui/redundant_pattern_matching.stderr

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error: redundant pattern matching, consider using `is_ok()`
--> $DIR/redundant_pattern_matching.rs:15:12
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|
LL | if let Ok(_) = &result {}
| -------^^^^^---------- help: try this: `if result.is_ok()`
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|
= 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
|
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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:21:12
|
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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:23:12
|
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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:25:12
|
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:31:15
|
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:33:15
|
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:35:15
|
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:37:15
|
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:39:15
|
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:42:15
|
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:58:5
|
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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:63:5
|
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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:68:5
|
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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:73:5
|
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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:78:5
|
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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:83:5
|
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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:88:13
|
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:93:20
|
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:96:20
|
LL | let x = if let Some(_) = opt { true } else { false };
| -------^^^^^^^------ help: try this: `if opt.is_some()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching.rs:102:20
|
LL | let _ = if let Some(_) = gen_opt() {
| -------^^^^^^^------------ help: try this: `if gen_opt().is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching.rs:104:19
|
LL | } else if let None = gen_opt() {
| -------^^^^------------ help: try this: `if gen_opt().is_none()`
error: redundant pattern matching, consider using `is_ok()`
--> $DIR/redundant_pattern_matching.rs:106:19
|
LL | } else 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:108:19
|
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:141:19
|
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:142:16
|
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:148:12
|
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:149:15
|
LL | while let Some(_) = m!() {}
| ----------^^^^^^^------- help: try this: `while m!().is_some()`
error: aborting due to 29 previous errors
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