diff options
Diffstat (limited to 'src/test/ui/type-alias-impl-trait/weird-return-types.rs')
-rw-r--r-- | src/test/ui/type-alias-impl-trait/weird-return-types.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/weird-return-types.rs b/src/test/ui/type-alias-impl-trait/weird-return-types.rs new file mode 100644 index 000000000..faad5ee95 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/weird-return-types.rs @@ -0,0 +1,16 @@ +// edition:2018 +// check-pass + +#![feature(type_alias_impl_trait)] +#![allow(dead_code)] + +use std::future::Future; +use std::fmt::Debug; + +type Foo = impl Debug; + +fn f() -> impl Future<Output = Foo> { + async move { 22_u32 } +} + +fn main() {} |