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94222f64 XL |
1 | warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes |
2 | --> $DIR/issue-87429-specialization.rs:3:12 | |
3 | | | |
4 | LL | #![feature(specialization)] | |
5 | | ^^^^^^^^^^^^^^ | |
6 | | | |
94222f64 XL |
7 | = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information |
8 | = help: consider using `min_specialization` instead, which is more stable and complete | |
2b03887a | 9 | = note: `#[warn(incomplete_features)]` on by default |
94222f64 XL |
10 | |
11 | error[E0277]: can't compare `Foo` with `Foo` | |
f2b60f7d | 12 | --> $DIR/issue-87429-specialization.rs:20:31 |
94222f64 XL |
13 | | |
14 | LL | default type Member<'a> = Foo; | |
a2a8927a | 15 | | ^^^ no implementation for `Foo == Foo` |
94222f64 XL |
16 | | |
17 | = help: the trait `PartialEq` is not implemented for `Foo` | |
18 | note: required by a bound in `Family::Member` | |
f2b60f7d | 19 | --> $DIR/issue-87429-specialization.rs:7:22 |
94222f64 XL |
20 | | |
21 | LL | type Member<'a>: for<'b> PartialEq<Self::Member<'b>>; | |
22 | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Family::Member` | |
04454e1e FG |
23 | help: consider annotating `Foo` with `#[derive(PartialEq)]` |
24 | | | |
25 | LL | #[derive(PartialEq)] | |
26 | | | |
94222f64 XL |
27 | |
28 | error: aborting due to previous error; 1 warning emitted | |
29 | ||
30 | For more information about this error, try `rustc --explain E0277`. |