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https://github.com/rust-lang/rust-clippy
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42 lines
1.3 KiB
Text
42 lines
1.3 KiB
Text
error: match expression looks like `matches!` macro
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--> $DIR/match_expr_like_matches_macro.rs:9:14
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LL | let _y = match x {
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| ______________^
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LL | | Some(0) => true,
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LL | | _ => false,
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LL | | };
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| |_____^ help: try this: `matches!(x, Some(0))`
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= note: `-D clippy::match-like-matches-macro` implied by `-D warnings`
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error: redundant pattern matching, consider using `is_none()`
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--> $DIR/match_expr_like_matches_macro.rs:15:14
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LL | let _z = match x {
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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: `x.is_none()`
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= note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`
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error: match expression looks like `matches!` macro
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--> $DIR/match_expr_like_matches_macro.rs:21:14
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LL | let _z = match x {
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| ______________^
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LL | | Some(r) if r == 0 => false,
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LL | | _ => true,
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LL | | };
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| |_____^ help: try this: `!matches!(x, Some(r) if r == 0)`
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error: if let .. else expression looks like `matches!` macro
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--> $DIR/match_expr_like_matches_macro.rs:27:15
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LL | let _zz = if let Some(5) = x { true } else { false };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `matches!(x, Some(5))`
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error: aborting due to 4 previous errors
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