mirror of https://github.com/rust-lang/rust
75 lines
2.4 KiB
Plaintext
75 lines
2.4 KiB
Plaintext
error: a never pattern is always unreachable
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--> $DIR/check.rs:15:20
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LL | Some(!) => {}
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| ^^
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| |
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| this will never be executed
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| help: remove this expression
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error: a guard on a never pattern will never be run
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--> $DIR/check.rs:20:20
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LL | Some(!) if true,
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| ^^^^ help: remove this guard
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error: a never pattern is always unreachable
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--> $DIR/check.rs:25:28
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LL | Some(!) if true => {}
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| ^^
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| |
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| this will never be executed
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| help: remove this expression
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error: a never pattern is always unreachable
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--> $DIR/check.rs:30:27
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LL | Some(never!()) => {}
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| ^^
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| |
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| this will never be executed
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| help: remove this expression
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error[E0004]: non-exhaustive patterns: `&Some(!)` not covered
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--> $DIR/check.rs:19:11
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LL | match &None::<Void> {
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| ^^^^^^^^^^^^^ pattern `&Some(!)` not covered
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note: `Option<Void>` defined here
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--> $SRC_DIR/core/src/option.rs:LL:COL
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::: $SRC_DIR/core/src/option.rs:LL:COL
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= note: not covered
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= note: the matched value is of type `&Option<Void>`
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= note: `Void` is uninhabited but is not being matched by value, so a wildcard `_` is required
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help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
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LL ~ None => {},
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LL + &Some(!)
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error[E0004]: non-exhaustive patterns: `&Some(!)` not covered
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--> $DIR/check.rs:24:11
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LL | match &None::<Void> {
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| ^^^^^^^^^^^^^ pattern `&Some(!)` not covered
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note: `Option<Void>` defined here
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--> $SRC_DIR/core/src/option.rs:LL:COL
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::: $SRC_DIR/core/src/option.rs:LL:COL
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= note: not covered
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= note: the matched value is of type `&Option<Void>`
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= note: `Void` is uninhabited but is not being matched by value, so a wildcard `_` is required
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help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
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LL ~ None => {},
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LL + &Some(!)
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error: aborting due to 6 previous errors
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For more information about this error, try `rustc --explain E0004`.
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