diff options
Diffstat (limited to 'tests/ui/coherence/coherence-overlap-negative-trait2.rs')
-rw-r--r-- | tests/ui/coherence/coherence-overlap-negative-trait2.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence-overlap-negative-trait2.rs b/tests/ui/coherence/coherence-overlap-negative-trait2.rs new file mode 100644 index 000000000..cc8c463b8 --- /dev/null +++ b/tests/ui/coherence/coherence-overlap-negative-trait2.rs @@ -0,0 +1,17 @@ +// check-pass +// aux-build:option_future.rs +// +// Check that if we promise to not impl what would overlap it doesn't actually overlap + +#![feature(rustc_attrs)] +#![feature(with_negative_coherence)] + +extern crate option_future as lib; +use lib::Future; + +trait Termination {} + +impl<E> Termination for Option<E> where E: Sized {} +impl<F> Termination for F where F: Future + Sized {} + +fn main() {} |