27 lines
992 B
Plaintext
27 lines
992 B
Plaintext
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/issue-50452-fail.rs:1:12
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LL | #![feature(specialization)]
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| ^^^^^^^^^^^^^^
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= note: `#[warn(incomplete_features)]` on by default
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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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error[E0520]: `foo` specializes an item from a parent `impl`, but that item is not marked `default`
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--> $DIR/issue-50452-fail.rs:10:5
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LL | fn foo() {}
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| ^^^^^^^^^^^ cannot specialize default item `foo`
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...
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LL | / impl<T> Foo for T {
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LL | | fn foo() {}
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LL | | }
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| |_- parent `impl` is here
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= note: to specialize, `foo` in the parent `impl` must be marked `default`
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error: aborting due to previous error; 1 warning emitted
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For more information about this error, try `rustc --explain E0520`.
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