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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs new file mode 100644 index 000000000..685d76ee3 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs @@ -0,0 +1,15 @@ +// Regression test for issue 67856 + +#![feature(unboxed_closures)] +#![feature(type_alias_impl_trait)] +#![feature(fn_traits)] + +trait MyTrait {} +impl MyTrait for () {} + +impl<F> FnOnce<()> for &F { + //~^ ERROR type parameter `F` must be used + type Output = impl MyTrait; + extern "rust-call" fn call_once(self, _: ()) -> Self::Output {} +} +fn main() {} |