mirror of https://github.com/rust-lang/rust
69 lines
2.6 KiB
Plaintext
69 lines
2.6 KiB
Plaintext
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/specialization-no-default.rs:1:12
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LL | #![feature(specialization)]
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| ^^^^^^^^^^^^^^
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= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
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= help: consider using `min_specialization` instead, which is more stable and complete
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= note: `#[warn(incomplete_features)]` on by default
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error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default`
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--> $DIR/specialization-no-default.rs:20:5
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LL | impl<T> Foo for T {
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| ----------------- parent `impl` is here
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...
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LL | fn foo(&self) {}
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| ^^^^^^^^^^^^^ cannot specialize default item `foo`
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= note: to specialize, `foo` in the parent `impl` must be marked `default`
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error[E0520]: `bar` specializes an item from a parent `impl`, but that item is not marked `default`
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--> $DIR/specialization-no-default.rs:23:5
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LL | impl<T> Foo for T {
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| ----------------- parent `impl` is here
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...
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LL | fn bar(&self) {}
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| ^^^^^^^^^^^^^ cannot specialize default item `bar`
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= note: to specialize, `bar` in the parent `impl` must be marked `default`
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error[E0520]: `T` specializes an item from a parent `impl`, but that item is not marked `default`
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--> $DIR/specialization-no-default.rs:37:5
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LL | impl<T> Bar for T {
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| ----------------- parent `impl` is here
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...
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LL | type T = ();
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| ^^^^^^ cannot specialize default item `T`
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= note: to specialize, `T` in the parent `impl` must be marked `default`
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error[E0520]: `baz` specializes an item from a parent `impl`, but that item is not marked `default`
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--> $DIR/specialization-no-default.rs:55:5
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LL | impl<T: Clone> Baz for T {
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| ------------------------ parent `impl` is here
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...
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LL | fn baz(&self) {}
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| ^^^^^^^^^^^^^ cannot specialize default item `baz`
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= note: to specialize, `baz` in the parent `impl` must be marked `default`
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error[E0520]: `redundant` specializes an item from a parent `impl`, but that item is not marked `default`
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--> $DIR/specialization-no-default.rs:74:5
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LL | impl<T: Clone> Redundant for T {
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| ------------------------------ parent `impl` is here
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...
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LL | default fn redundant(&self) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `redundant`
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= note: to specialize, `redundant` in the parent `impl` must be marked `default`
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error: aborting due to 5 previous errors; 1 warning emitted
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For more information about this error, try `rustc --explain E0520`.
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