rust/tests/ui/redundant_pattern_matching_option.stderr

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error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:15:12
|
LL | if let None = None::<()> {}
| -------^^^^------------- help: try: `if None::<()>.is_none()`
|
= note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:17:12
|
LL | if let Some(_) = Some(42) {}
| -------^^^^^^^----------- help: try: `if Some(42).is_some()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:19:12
|
LL | if let Some(_) = Some(42) {
| -------^^^^^^^----------- help: try: `if Some(42).is_some()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:25:15
|
LL | while let Some(_) = Some(42) {}
| ----------^^^^^^^----------- help: try: `while Some(42).is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:27:15
|
LL | while let None = Some(42) {}
| ----------^^^^----------- help: try: `while Some(42).is_none()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:29:15
|
LL | while let None = None::<()> {}
| ----------^^^^------------- help: try: `while None::<()>.is_none()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:32:15
|
LL | while let Some(_) = v.pop() {
| ----------^^^^^^^---------- help: try: `while v.pop().is_some()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:40:5
|
LL | / match Some(42) {
LL | | Some(_) => true,
LL | | None => false,
LL | | };
| |_____^ help: try: `Some(42).is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:45:5
|
LL | / match None::<()> {
LL | | Some(_) => false,
LL | | None => true,
LL | | };
| |_____^ help: try: `None::<()>.is_none()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:50:13
|
LL | let _ = match None::<()> {
| _____________^
LL | | Some(_) => false,
LL | | None => true,
LL | | };
| |_____^ help: try: `None::<()>.is_none()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:56:20
|
LL | let _ = if let Some(_) = opt { true } else { false };
| -------^^^^^^^------ help: try: `if opt.is_some()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:62:20
|
LL | let _ = if let Some(_) = gen_opt() {
| -------^^^^^^^------------ help: try: `if gen_opt().is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:64:19
|
LL | } else if let None = gen_opt() {
| -------^^^^------------ help: try: `if gen_opt().is_none()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:70:12
|
LL | if let Some(..) = gen_opt() {}
| -------^^^^^^^^------------ help: try: `if gen_opt().is_some()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:85:12
|
LL | if let Some(_) = Some(42) {}
| -------^^^^^^^----------- help: try: `if Some(42).is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:87:12
|
LL | if let None = None::<()> {}
| -------^^^^------------- help: try: `if None::<()>.is_none()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:89:15
|
LL | while let Some(_) = Some(42) {}
| ----------^^^^^^^----------- help: try: `while Some(42).is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:91:15
|
LL | while let None = None::<()> {}
| ----------^^^^------------- help: try: `while None::<()>.is_none()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:93:5
|
LL | / match Some(42) {
LL | | Some(_) => true,
LL | | None => false,
LL | | };
| |_____^ help: try: `Some(42).is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:98:5
|
LL | / match None::<()> {
LL | | Some(_) => false,
LL | | None => true,
LL | | };
| |_____^ help: try: `None::<()>.is_none()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:106:12
|
LL | if let None = *(&None::<()>) {}
| -------^^^^----------------- help: try: `if (&None::<()>).is_none()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:107:12
|
LL | if let None = *&None::<()> {}
| -------^^^^--------------- help: try: `if (&None::<()>).is_none()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:113:5
|
LL | / match x {
LL | | Some(_) => true,
LL | | _ => false,
LL | | };
| |_____^ help: try: `x.is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:118:5
|
LL | / match x {
LL | | None => true,
LL | | _ => false,
LL | | };
| |_____^ help: try: `x.is_none()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:123:5
|
LL | / match x {
LL | | Some(_) => false,
LL | | _ => true,
LL | | };
| |_____^ help: try: `x.is_none()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:128:5
|
LL | / match x {
LL | | None => false,
LL | | _ => true,
LL | | };
| |_____^ help: try: `x.is_some()`
error: redundant pattern matching, consider using `is_some()`
--> $DIR/redundant_pattern_matching_option.rs:143:13
|
LL | let _ = matches!(x, Some(_));
| ^^^^^^^^^^^^^^^^^^^^ help: try: `x.is_some()`
error: redundant pattern matching, consider using `is_none()`
--> $DIR/redundant_pattern_matching_option.rs:145:13
|
LL | let _ = matches!(x, None);
| ^^^^^^^^^^^^^^^^^ help: try: `x.is_none()`
error: aborting due to 28 previous errors