mirror of
https://github.com/rust-lang/rust-clippy
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200 lines
7 KiB
Text
200 lines
7 KiB
Text
error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:14:12
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LL | if let None = None::<()> {}
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| -------^^^^------------- help: try this: `if None::<()>.is_none()`
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= note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:16:12
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LL | if let Some(_) = Some(42) {}
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| -------^^^^^^^----------- help: try this: `if Some(42).is_some()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:18:12
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LL | if let Some(_) = Some(42) {
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| -------^^^^^^^----------- help: try this: `if Some(42).is_some()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:24:15
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LL | while let Some(_) = Some(42) {}
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| ----------^^^^^^^----------- help: try this: `while Some(42).is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:26:15
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LL | while let None = Some(42) {}
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| ----------^^^^----------- help: try this: `while Some(42).is_none()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:28:15
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LL | while let None = None::<()> {}
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| ----------^^^^------------- help: try this: `while None::<()>.is_none()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:31:15
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LL | while let Some(_) = v.pop() {
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| ----------^^^^^^^---------- help: try this: `while v.pop().is_some()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:39:5
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LL | / match Some(42) {
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LL | | Some(_) => true,
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LL | | None => false,
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LL | | };
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| |_____^ help: try this: `Some(42).is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:44:5
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LL | / match None::<()> {
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LL | | Some(_) => false,
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LL | | None => true,
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LL | | };
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| |_____^ help: try this: `None::<()>.is_none()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:49:13
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LL | let _ = match None::<()> {
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| _____________^
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LL | | Some(_) => false,
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LL | | None => true,
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LL | | };
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| |_____^ help: try this: `None::<()>.is_none()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:55:20
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LL | let _ = if let Some(_) = opt { true } else { false };
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| -------^^^^^^^------ help: try this: `if opt.is_some()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:61:20
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LL | let _ = if let Some(_) = gen_opt() {
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| -------^^^^^^^------------ help: try this: `if gen_opt().is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:63:19
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LL | } else if let None = gen_opt() {
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| -------^^^^------------ help: try this: `if gen_opt().is_none()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:69:12
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LL | if let Some(..) = gen_opt() {}
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| -------^^^^^^^^------------ help: try this: `if gen_opt().is_some()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:84:12
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LL | if let Some(_) = Some(42) {}
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| -------^^^^^^^----------- help: try this: `if Some(42).is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:86:12
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LL | if let None = None::<()> {}
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| -------^^^^------------- help: try this: `if None::<()>.is_none()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:88:15
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LL | while let Some(_) = Some(42) {}
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| ----------^^^^^^^----------- help: try this: `while Some(42).is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:90:15
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LL | while let None = None::<()> {}
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| ----------^^^^------------- help: try this: `while None::<()>.is_none()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:92:5
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LL | / match Some(42) {
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LL | | Some(_) => true,
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LL | | None => false,
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LL | | };
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| |_____^ help: try this: `Some(42).is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:97:5
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LL | / match None::<()> {
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LL | | Some(_) => false,
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LL | | None => true,
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LL | | };
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| |_____^ help: try this: `None::<()>.is_none()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:105:12
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LL | if let None = *(&None::<()>) {}
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| -------^^^^----------------- help: try this: `if (&None::<()>).is_none()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:106:12
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LL | if let None = *&None::<()> {}
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| -------^^^^--------------- help: try this: `if (&None::<()>).is_none()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:112:5
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LL | / match x {
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LL | | Some(_) => true,
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LL | | _ => false,
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LL | | };
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| |_____^ help: try this: `x.is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:117:5
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LL | / match x {
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LL | | None => true,
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LL | | _ => false,
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LL | | };
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| |_____^ help: try this: `x.is_none()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:122:5
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LL | / match x {
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LL | | Some(_) => false,
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LL | | _ => true,
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LL | | };
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| |_____^ help: try this: `x.is_none()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:127:5
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LL | / match x {
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LL | | None => false,
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LL | | _ => true,
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LL | | };
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| |_____^ help: try this: `x.is_some()`
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error: redundant pattern matching, consider using `is_some()`
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--> $DIR/redundant_pattern_matching_option.rs:142:13
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LL | let _ = matches!(x, Some(_));
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| ^^^^^^^^^^^^^^^^^^^^ help: try this: `x.is_some()`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/redundant_pattern_matching_option.rs:144:13
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LL | let _ = matches!(x, None);
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| ^^^^^^^^^^^^^^^^^ help: try this: `x.is_none()`
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error: aborting due to 28 previous errors
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