diff options
Diffstat (limited to 'src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs')
-rw-r--r-- | src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs b/src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs new file mode 100644 index 000000000..703e3e869 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/assoc-projection-ice.rs @@ -0,0 +1,24 @@ +#![feature(type_alias_impl_trait)] + +// build-pass + +trait T { type Item; } + +type Alias<'a> = impl T<Item = &'a ()>; + +struct S; +impl<'a> T for &'a S { + type Item = &'a (); +} + +fn filter_positive<'a>() -> Alias<'a> { + &S +} + +fn with_positive(fun: impl Fn(Alias<'_>)) { + fun(filter_positive()); +} + +fn main() { + with_positive(|_| ()); +} |