diff options
Diffstat (limited to 'tests/ui/traits/alias/dont-elaborate-non-self.rs')
-rw-r--r-- | tests/ui/traits/alias/dont-elaborate-non-self.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/traits/alias/dont-elaborate-non-self.rs b/tests/ui/traits/alias/dont-elaborate-non-self.rs new file mode 100644 index 000000000..4f9eaacb8 --- /dev/null +++ b/tests/ui/traits/alias/dont-elaborate-non-self.rs @@ -0,0 +1,10 @@ +#![feature(trait_alias)] + +use std::future::Future; + +trait F<Fut: Future<Output = usize>> = Fn() -> Fut; + +fn f<Fut>(a: dyn F<Fut>) {} +//~^ ERROR the size for values of type `(dyn Fn() -> Fut + 'static)` cannot be known at compilation time + +fn main() {} |