mirror of https://github.com/rust-lang/rust.git
25 lines
967 B
Plaintext
25 lines
967 B
Plaintext
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
|
|
--> $DIR/issue-50452-fail.rs:1:12
|
|
|
|
|
LL | #![feature(specialization)]
|
|
| ^^^^^^^^^^^^^^
|
|
|
|
|
= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
|
|
= help: consider using `min_specialization` instead, which is more stable and complete
|
|
= note: `#[warn(incomplete_features)]` on by default
|
|
|
|
error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default`
|
|
--> $DIR/issue-50452-fail.rs:10:5
|
|
|
|
|
LL | fn foo() {}
|
|
| ^^^^^^^^ cannot specialize default item `foo`
|
|
...
|
|
LL | impl<T> Foo for T {
|
|
| ----------------- parent `impl` is here
|
|
|
|
|
= note: to specialize, `foo` in the parent `impl` must be marked `default`
|
|
|
|
error: aborting due to 1 previous error; 1 warning emitted
|
|
|
|
For more information about this error, try `rustc --explain E0520`.
|