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Diffstat (limited to 'tests/ui/type-alias-impl-trait/escaping-bound-var.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/escaping-bound-var.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/escaping-bound-var.rs b/tests/ui/type-alias-impl-trait/escaping-bound-var.rs new file mode 100644 index 000000000..bf27e76db --- /dev/null +++ b/tests/ui/type-alias-impl-trait/escaping-bound-var.rs @@ -0,0 +1,22 @@ +#![feature(type_alias_impl_trait)] + +pub trait Trait<'a> { + type Assoc; +} + +trait Test<'a> {} + +pub type Foo = impl for<'a> Trait<'a, Assoc = impl Test<'a>>; +//~^ ERROR cannot capture late-bound lifetime in type alias impl trait + +impl Trait<'_> for () { + type Assoc = (); +} + +impl Test<'_> for () {} + +fn constrain() -> Foo { + () +} + +fn main() {} |