diff options
Diffstat (limited to 'tests/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs b/tests/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs new file mode 100644 index 000000000..8ec20acef --- /dev/null +++ b/tests/ui/type-alias-impl-trait/impl_trait_for_tait_bound.rs @@ -0,0 +1,19 @@ +#![feature(type_alias_impl_trait)] + +use std::fmt::Debug; + +type Foo = impl Debug; +pub trait Yay { } +impl Yay for Foo { } + +fn foo() { + is_yay::<u32>(); //~ ERROR: the trait bound `u32: Yay` is not satisfied + is_debug::<u32>(); // OK + is_yay::<Foo>(); // OK + is_debug::<Foo>(); // OK +} + +fn is_yay<T: Yay>() { } +fn is_debug<T: Debug>() { } + +fn main() {} |