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warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/specialization-no-default.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/specialization-no-default.rs:20:5
|
LL | impl<T> Foo for T {
| ----------------- parent `impl` is here
...
LL | fn foo(&self) {}
| ^^^^^^^^^^^^^ cannot specialize default item `foo`
|
= note: to specialize, `foo` in the parent `impl` must be marked `default`
error[E0520]: `bar` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/specialization-no-default.rs:23:5
|
LL | impl<T> Foo for T {
| ----------------- parent `impl` is here
...
LL | fn bar(&self) {}
| ^^^^^^^^^^^^^ cannot specialize default item `bar`
|
= note: to specialize, `bar` in the parent `impl` must be marked `default`
error[E0520]: `T` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/specialization-no-default.rs:37:5
|
LL | impl<T> Bar for T {
| ----------------- parent `impl` is here
...
LL | type T = ();
| ^^^^^^ cannot specialize default item `T`
|
= note: to specialize, `T` in the parent `impl` must be marked `default`
error[E0520]: `baz` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/specialization-no-default.rs:55:5
|
LL | impl<T: Clone> Baz for T {
| ------------------------ parent `impl` is here
...
LL | fn baz(&self) {}
| ^^^^^^^^^^^^^ cannot specialize default item `baz`
|
= note: to specialize, `baz` in the parent `impl` must be marked `default`
error[E0520]: `redundant` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/specialization-no-default.rs:74:5
|
LL | impl<T: Clone> Redundant for T {
| ------------------------------ parent `impl` is here
...
LL | default fn redundant(&self) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `redundant`
|
= note: to specialize, `redundant` in the parent `impl` must be marked `default`
error: aborting due to 5 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0520`.
|
