56 lines
1.8 KiB
Plaintext
56 lines
1.8 KiB
Plaintext
error[E0004]: non-exhaustive patterns: `Err(_)` not covered
|
|
--> $DIR/uninhabited-matches-feature-gated.rs:6:19
|
|
|
|
|
LL | let _ = match x {
|
|
| ^ pattern `Err(_)` not covered
|
|
|
|
|
note: `Result<u32, &Void>` defined here
|
|
--> $SRC_DIR/core/src/result.rs:LL:COL
|
|
::: $SRC_DIR/core/src/result.rs:LL:COL
|
|
|
|
|
= note: not covered
|
|
= note: the matched value is of type `Result<u32, &Void>`
|
|
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
|
|
|
|
|
LL ~ Ok(n) => n,
|
|
LL ~ Err(_) => todo!(),
|
|
|
|
|
|
|
error[E0004]: non-exhaustive patterns: type `&Void` is non-empty
|
|
--> $DIR/uninhabited-matches-feature-gated.rs:15:19
|
|
|
|
|
LL | let _ = match x {};
|
|
| ^
|
|
|
|
|
note: `Void` defined here
|
|
--> $DIR/uninhabited-matches-feature-gated.rs:2:6
|
|
|
|
|
LL | enum Void {}
|
|
| ^^^^
|
|
= note: the matched value is of type `&Void`
|
|
= note: references are always considered inhabited
|
|
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
|
|
|
|
|
LL ~ let _ = match x {
|
|
LL + _ => todo!(),
|
|
LL ~ };
|
|
|
|
|
|
|
error[E0004]: non-exhaustive patterns: `&[_, ..]` not covered
|
|
--> $DIR/uninhabited-matches-feature-gated.rs:24:19
|
|
|
|
|
LL | let _ = match x {
|
|
| ^ pattern `&[_, ..]` not covered
|
|
|
|
|
= note: the matched value is of type `&[Void]`
|
|
= note: `Void` is uninhabited but is not being matched by value, so a wildcard `_` is required
|
|
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
|
|
|
|
|
LL ~ &[] => (),
|
|
LL ~ &[_, ..] => todo!(),
|
|
|
|
|
|
|
error: aborting due to 3 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0004`.
|