diff options
Diffstat (limited to 'src/test/ui/unsized/issue-71659.rs')
-rw-r--r-- | src/test/ui/unsized/issue-71659.rs | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/src/test/ui/unsized/issue-71659.rs b/src/test/ui/unsized/issue-71659.rs deleted file mode 100644 index 3524ca02b..000000000 --- a/src/test/ui/unsized/issue-71659.rs +++ /dev/null @@ -1,32 +0,0 @@ -#![feature(unsize)] - -use std::marker::Unsize; - -pub trait CastTo<T: ?Sized>: Unsize<T> { - fn cast_to(&self) -> &T; -} - -impl<T: ?Sized, U: ?Sized + Unsize<T>> CastTo<T> for U { - fn cast_to(&self) -> &T { - self - } -} - -impl<T: ?Sized> Cast for T {} -pub trait Cast { - fn cast<T: ?Sized>(&self) -> &T - where - Self: CastTo<T>, - { - self - } -} - -pub trait Foo: CastTo<[i32]> {} -impl Foo for [i32; 0] {} - -fn main() { - let x: &dyn Foo = &[]; - let x = x.cast::<[i32]>(); - //~^ ERROR: the trait bound `dyn Foo: CastTo<[i32]>` is not satisfied -} |