mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-15 09:27:25 +00:00
200 lines
7 KiB
Text
200 lines
7 KiB
Text
error: redundant pattern matching, consider using `is_none()`
|
|
--> $DIR/redundant_pattern_matching_option.rs:15:12
|
|
|
|
|
LL | if let None = None::<()> {}
|
|
| -------^^^^------------- help: try this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `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 this: `x.is_none()`
|
|
|
|
error: aborting due to 28 previous errors
|
|
|