rust/tests/ui/derives/derives-span-Eq-enum-struct...

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error[E0277]: the trait bound `Error: Eq` is not satisfied
--> $DIR/derives-span-Eq-enum-struct-variant.rs:9:6
|
LL | #[derive(Eq,PartialEq)]
| -- in this derive macro expansion
...
LL | x: Error
| ^^^^^^^^ the trait `Eq` is not implemented for `Error`
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note: required by a bound in `AssertParamIsEq`
--> $SRC_DIR/core/src/cmp.rs:LL:COL
= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `Error` with `#[derive(Eq)]`
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LL + #[derive(Eq)]
LL | struct Error;
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.