mirror of https://github.com/rust-lang/rust
58 lines
1.9 KiB
Plaintext
58 lines
1.9 KiB
Plaintext
error[E0004]: non-exhaustive patterns: `L::B` not covered
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--> $DIR/match_non_exhaustive.rs:23:11
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LL | match l { L::A => () };
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| ^ pattern `L::B` not covered
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note: `L` defined here
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--> $DIR/match_non_exhaustive.rs:10:6
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LL | enum L { A, B }
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| ^ - not covered
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= note: the matched value is of type `L`
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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 | match l { L::A => (), L::B => todo!() };
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| +++++++++++++++++
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error[E0004]: non-exhaustive patterns: type `E1` is non-empty
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--> $DIR/match_non_exhaustive.rs:28:11
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LL | match e1 {};
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| ^^
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note: `E1` defined here
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--> $DIR/auxiliary/match_non_exhaustive_lib.rs:2:1
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LL | pub enum E1 {}
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| ^^^^^^^^^^^
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= note: the matched value is of type `E1`, which is marked as non-exhaustive
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help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
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LL ~ match e1 {
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LL + _ => todo!(),
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LL ~ };
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error[E0004]: non-exhaustive patterns: `_` not covered
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--> $DIR/match_non_exhaustive.rs:30:11
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LL | match e2 { E2::A => (), E2::B => () };
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| ^^ pattern `_` not covered
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note: `E2` defined here
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--> $DIR/auxiliary/match_non_exhaustive_lib.rs:5:1
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LL | pub enum E2 { A, B }
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| ^^^^^^^^^^^
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= note: the matched value is of type `E2`
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= note: `E2` is marked as non-exhaustive, so a wildcard `_` is necessary to match exhaustively
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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 | match e2 { E2::A => (), E2::B => (), _ => todo!() };
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| ++++++++++++++
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0004`.
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