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error: constant of non-structural type `Option<NoPartialEq>` in a pattern
--> $DIR/reject_non_partial_eq.rs:28:9
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LL | struct NoPartialEq(u32);
| ------------------ must be annotated with `#[derive(PartialEq)]` to be usable in patterns
...
LL | const NO_PARTIAL_EQ_NONE: Option<NoPartialEq> = None;
| --------------------------------------------- constant defined here
...
LL | NO_PARTIAL_EQ_NONE => println!("NO_PARTIAL_EQ_NONE"),
| ^^^^^^^^^^^^^^^^^^ constant of non-structural type
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= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details
error: aborting due to 1 previous error
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