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|
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/non-defaulted-item-fail.rs:1:12
|
LL | #![feature(specialization, associated_type_defaults)]
| ^^^^^^^^^^^^^^
|
= 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]: `Ty` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/non-defaulted-item-fail.rs:30:5
|
LL | impl<T> Foo for Box<T> {
| ---------------------- parent `impl` is here
...
LL | type Ty = Vec<()>;
| ^^^^^^^^^^^^^^^^^^ cannot specialize default item `Ty`
|
= note: to specialize, `Ty` in the parent `impl` must be marked `default`
error[E0520]: `CONST` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/non-defaulted-item-fail.rs:32:5
|
LL | impl<T> Foo for Box<T> {
| ---------------------- parent `impl` is here
...
LL | const CONST: u8 = 42;
| ^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `CONST`
|
= note: to specialize, `CONST` in the parent `impl` must be marked `default`
error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/non-defaulted-item-fail.rs:34:5
|
LL | impl<T> Foo for Box<T> {
| ---------------------- parent `impl` is here
...
LL | fn foo(&self) -> bool { true }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `foo`
|
= note: to specialize, `foo` in the parent `impl` must be marked `default`
error[E0520]: `Ty` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/non-defaulted-item-fail.rs:46:5
|
LL | impl<T> Foo for Vec<T> {}
| ---------------------- parent `impl` is here
...
LL | type Ty = Vec<()>;
| ^^^^^^^^^^^^^^^^^^ cannot specialize default item `Ty`
|
= note: to specialize, `Ty` in the parent `impl` must be marked `default`
error[E0520]: `CONST` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/non-defaulted-item-fail.rs:48:5
|
LL | impl<T> Foo for Vec<T> {}
| ---------------------- parent `impl` is here
...
LL | const CONST: u8 = 42;
| ^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `CONST`
|
= note: to specialize, `CONST` in the parent `impl` must be marked `default`
error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default`
--> $DIR/non-defaulted-item-fail.rs:50:5
|
LL | impl<T> Foo for Vec<T> {}
| ---------------------- parent `impl` is here
...
LL | fn foo(&self) -> bool { true }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `foo`
|
= note: to specialize, `foo` in the parent `impl` must be marked `default`
error: aborting due to 6 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0520`.
|
