diff options
Diffstat (limited to 'src/test/ui/generic-associated-types/issue-101020.rs')
-rw-r--r-- | src/test/ui/generic-associated-types/issue-101020.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/issue-101020.rs b/src/test/ui/generic-associated-types/issue-101020.rs new file mode 100644 index 000000000..80d0fa5ad --- /dev/null +++ b/src/test/ui/generic-associated-types/issue-101020.rs @@ -0,0 +1,35 @@ +pub trait LendingIterator { + type Item<'a> + where + Self: 'a; + + fn consume<F>(self, _f: F) + where + Self: Sized, + for<'a> Self::Item<'a>: FuncInput<'a, Self::Item<'a>>, + { + } +} + +impl<I: LendingIterator + ?Sized> LendingIterator for &mut I { + type Item<'a> = I::Item<'a> where Self: 'a; +} +struct EmptyIter; +impl LendingIterator for EmptyIter { + type Item<'a> = &'a mut () where Self:'a; +} +pub trait FuncInput<'a, F> +where + F: Foo<Self>, + Self: Sized, +{ +} +impl<'a, T, F: 'a> FuncInput<'a, F> for T where F: Foo<T> {} +trait Foo<T> {} + +fn map_test() { + (&mut EmptyIter).consume(()); + //~^ ERROR the trait bound `for<'a> &'a mut (): Foo<&'a mut ()>` is not satisfied +} + +fn main() {} |