diff options
Diffstat (limited to 'tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs new file mode 100644 index 000000000..60b6e1aac --- /dev/null +++ b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs @@ -0,0 +1,20 @@ +#![feature(type_alias_impl_trait)] + +mod my_mod { + use std::fmt::Debug; + + pub type Foo = impl Debug; + pub type Foot = impl Debug; + + pub fn get_foo() -> Foo { + 5i32 + } + + pub fn get_foot() -> Foot { + get_foo() //~ ERROR opaque type's hidden type cannot be another opaque type + } +} + +fn main() { + let _: my_mod::Foot = my_mod::get_foot(); +} |