diff options
Diffstat (limited to 'src/test/ui/impl-trait/equality2.rs')
-rw-r--r-- | src/test/ui/impl-trait/equality2.rs | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/src/test/ui/impl-trait/equality2.rs b/src/test/ui/impl-trait/equality2.rs deleted file mode 100644 index 2e325867d..000000000 --- a/src/test/ui/impl-trait/equality2.rs +++ /dev/null @@ -1,44 +0,0 @@ -#![feature(specialization)] //~ WARN the feature `specialization` is incomplete - -trait Foo: Copy + ToString {} - -impl<T: Copy + ToString> Foo for T {} - -fn hide<T: Foo>(x: T) -> impl Foo { - x -} - -trait Leak: Sized { - type T; - fn leak(self) -> Self::T; -} -impl<T> Leak for T { - default type T = (); - default fn leak(self) -> Self::T { panic!() } -} -impl Leak for i32 { - type T = i32; - fn leak(self) -> i32 { self } -} - -fn main() { - let _: u32 = hide(0_u32); - //~^ ERROR mismatched types - //~| expected type `u32` - //~| found opaque type `impl Foo` - //~| expected `u32`, found opaque type - - let _: i32 = Leak::leak(hide(0_i32)); - //~^ ERROR mismatched types - //~| expected type `i32` - //~| found associated type `<impl Foo as Leak>::T` - //~| expected `i32`, found associated type - - let mut x = (hide(0_u32), hide(0_i32)); - x = (x.1, - //~^ ERROR mismatched types - //~| expected `u32`, found `i32` - x.0); - //~^ ERROR mismatched types - //~| expected `i32`, found `u32` -} |