rust-clippy/tests/ui/redundant_pattern_matching.stderr

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Text

error: redundant pattern matching, consider using `is_ok()`
--> $DIR/redundant_pattern_matching.rs:16:12
|
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:18:12
|
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:20:12
|
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:22:15
|
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:24:15
|
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: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_ok()`
--> $DIR/redundant_pattern_matching.rs:54:20
|
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:60:20
|
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:62:19
|
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:85:19
|
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:86:16
|
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:92:12
|
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:93:15
|
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:111:12
|
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:113:12
|
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:115:15
|
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:117:15
|
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:119:5
|
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:124:5
|
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