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116 lines
3.8 KiB
Plaintext
116 lines
3.8 KiB
Plaintext
error[E0004]: non-exhaustive patterns: `Err(_)` not covered
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--> $DIR/uninhabited-matches-feature-gated.rs:6:19
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LL | let _ = match x {
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| ^ pattern `Err(_)` not covered
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note: `Result<u32, &Void>` defined here
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--> $SRC_DIR/core/src/result.rs:LL:COL
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::: $SRC_DIR/core/src/result.rs:LL:COL
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= note: not covered
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= note: the matched value is of type `Result<u32, &Void>`
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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 ~ Ok(n) => n,
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LL ~ Err(_) => todo!(),
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error[E0004]: non-exhaustive patterns: type `&Void` is non-empty
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--> $DIR/uninhabited-matches-feature-gated.rs:15:19
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LL | let _ = match x {};
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| ^
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note: `Void` defined here
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--> $DIR/uninhabited-matches-feature-gated.rs:2:6
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LL | enum Void {}
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| ^^^^
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= note: the matched value is of type `&Void`
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= note: references are always considered inhabited
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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 ~ let _ = match x {
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LL + _ => todo!(),
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LL ~ };
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error[E0004]: non-exhaustive patterns: type `(Void,)` is non-empty
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--> $DIR/uninhabited-matches-feature-gated.rs:18:19
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LL | let _ = match x {};
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| ^
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= note: the matched value is of type `(Void,)`
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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 ~ let _ = match x {
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LL + _ => todo!(),
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LL ~ };
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error[E0004]: non-exhaustive patterns: type `[Void; 1]` is non-empty
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--> $DIR/uninhabited-matches-feature-gated.rs:21:19
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LL | let _ = match x {};
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| ^
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= note: the matched value is of type `[Void; 1]`
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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 ~ let _ = match x {
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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/uninhabited-matches-feature-gated.rs:24:19
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LL | let _ = match x {
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| ^ pattern `&[_, ..]` not covered
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= note: the matched value is of type `&[Void]`
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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 ~ &[] => (),
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LL ~ &[_, ..] => todo!(),
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error[E0004]: non-exhaustive patterns: `Err(_)` not covered
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--> $DIR/uninhabited-matches-feature-gated.rs:32:19
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LL | let _ = match x {
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| ^ pattern `Err(_)` not covered
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note: `Result<u32, Void>` defined here
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--> $SRC_DIR/core/src/result.rs:LL:COL
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::: $SRC_DIR/core/src/result.rs:LL:COL
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= note: not covered
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= note: the matched value is of type `Result<u32, Void>`
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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 ~ Ok(x) => x,
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LL ~ Err(_) => todo!(),
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error[E0005]: refutable pattern in local binding
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--> $DIR/uninhabited-matches-feature-gated.rs:37:9
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LL | let Ok(x) = x;
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| ^^^^^ pattern `Err(_)` not covered
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= note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
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= note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
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= note: the matched value is of type `Result<u32, Void>`
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help: you might want to use `let else` to handle the variant that isn't matched
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LL | let Ok(x) = x else { todo!() };
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| ++++++++++++++++
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error: aborting due to 7 previous errors
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Some errors have detailed explanations: E0004, E0005.
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For more information about an error, try `rustc --explain E0004`.
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