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error[E0004]: non-exhaustive patterns: `(X::A, Some(X::A))`, `(X::A, Some(X::B))`, `(X::B, Some(X::B))` and 2 more not covered
--> $DIR/issue-72377.rs:8:11
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LL | match (x, y) {
| ^^^^^^ patterns `(X::A, Some(X::A))`, `(X::A, Some(X::B))`, `(X::B, Some(X::B))` and 2 more not covered
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= note: the matched value is of type `(X, Option<X>)`
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown, or multiple match arms
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LL ~ (X::A, Some(X::C)) | (X::C, Some(X::A)) => false,
LL ~ _ => todo!(),
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0004`.
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