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error: to use a constant of type `Opaque` in a pattern, `Opaque` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/issue-78057.rs:12:9
|
LL | FOO => {},
| ^^^
|
= note: the traits must be derived, manual `impl`s are not sufficient
= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
error: unreachable pattern
--> $DIR/issue-78057.rs:14:9
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LL | FOO => {},
| --- matches any value
LL |
LL | _ => {}
| ^ unreachable pattern
|
note: the lint level is defined here
--> $DIR/issue-78057.rs:1:9
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LL | #![deny(unreachable_patterns)]
| ^^^^^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors
|
