mirror of https://github.com/rust-lang/rust
27 lines
1.1 KiB
Plaintext
27 lines
1.1 KiB
Plaintext
warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/issue-50940-with-feature.rs:1:12
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LL | #![feature(unsized_locals, unsized_fn_params)]
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| ^^^^^^^^^^^^^^
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= note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
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= note: `#[warn(incomplete_features)]` on by default
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error[E0277]: the size for values of type `str` cannot be known at compilation time
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--> $DIR/issue-50940-with-feature.rs:6:5
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LL | A as fn(str) -> A<str>;
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| ^ doesn't have a size known at compile-time
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= help: within `A<str>`, the trait `Sized` is not implemented for `str`, which is required by `A<str>: Sized`
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note: required because it appears within the type `A<str>`
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--> $DIR/issue-50940-with-feature.rs:5:12
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LL | struct A<X: ?Sized>(X);
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| ^
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= note: the return type of a function must have a statically known size
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error: aborting due to 1 previous error; 1 warning emitted
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For more information about this error, try `rustc --explain E0277`.
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