rust/tests/ui/pattern/usefulness/struct-like-enum-nonexhaust...

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error[E0004]: non-exhaustive patterns: `A::B { x: Some(_) }` not covered
--> $DIR/struct-like-enum-nonexhaustive.rs:8:11
|
LL | match x {
| ^ pattern `A::B { x: Some(_) }` not covered
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note: `A` defined here
--> $DIR/struct-like-enum-nonexhaustive.rs:1:6
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LL | enum A {
| ^
LL | B { x: Option<isize> },
| - not covered
= note: the matched value is of type `A`
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 ~ A::B { x: None } => {},
LL + A::B { x: Some(_) } => todo!()
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0004`.