mirror of https://github.com/rust-lang/rust
34 lines
1.3 KiB
Plaintext
34 lines
1.3 KiB
Plaintext
error[E0277]: the size for values of type `[isize]` cannot be known at compilation time
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--> $DIR/dst-sized-trait-param.rs:7:6
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LL | impl Foo<[isize]> for usize { }
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| ^^^^^^^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `[isize]`
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note: required by an implicit `Sized` bound in `Foo`
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--> $DIR/dst-sized-trait-param.rs:5:11
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LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
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| ^ required by the implicit `Sized` requirement on this type parameter in `Foo`
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help: consider relaxing the implicit `Sized` restriction
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LL | trait Foo<T: ?Sized> : Sized { fn take(self, x: &T) { } } // Note: T is sized
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| ++++++++
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error[E0277]: the size for values of type `[usize]` cannot be known at compilation time
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--> $DIR/dst-sized-trait-param.rs:10:21
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LL | impl Foo<isize> for [usize] { }
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| ^^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `[usize]`
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note: required by a bound in `Foo`
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--> $DIR/dst-sized-trait-param.rs:5:16
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LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
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| ^^^^^ required by this bound in `Foo`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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