mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 15:54:15 +00:00
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
|
|
--> $DIR/dst-sized-trait-param.rs:7:6
|
|
|
|
|
LL | impl Foo<[isize]> for usize { }
|
|
| ^^^^^^^^^^^^ doesn't have a size known at compile-time
|
|
|
|
|
= help: the trait `Sized` is not implemented for `[isize]`
|
|
note: required by an implicit `Sized` bound in `Foo`
|
|
--> $DIR/dst-sized-trait-param.rs:5:11
|
|
|
|
|
LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
|
|
| ^ required by the implicit `Sized` requirement on this type parameter in `Foo`
|
|
help: consider relaxing the implicit `Sized` restriction
|
|
|
|
|
LL | trait Foo<T: ?Sized> : Sized { fn take(self, x: &T) { } } // Note: T is sized
|
|
| ++++++++
|
|
|
|
error[E0277]: the size for values of type `[usize]` cannot be known at compilation time
|
|
--> $DIR/dst-sized-trait-param.rs:10:21
|
|
|
|
|
LL | impl Foo<isize> for [usize] { }
|
|
| ^^^^^^^ doesn't have a size known at compile-time
|
|
|
|
|
= help: the trait `Sized` is not implemented for `[usize]`
|
|
note: required by a bound in `Foo`
|
|
--> $DIR/dst-sized-trait-param.rs:5:16
|
|
|
|
|
LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
|
|
| ^^^^^ required by this bound in `Foo`
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|