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Diffstat (limited to 'tests/ui/nll/ty-outlives/projection-where-clause-trait.rs')
-rw-r--r-- | tests/ui/nll/ty-outlives/projection-where-clause-trait.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/nll/ty-outlives/projection-where-clause-trait.rs b/tests/ui/nll/ty-outlives/projection-where-clause-trait.rs new file mode 100644 index 000000000..1a40d3b4c --- /dev/null +++ b/tests/ui/nll/ty-outlives/projection-where-clause-trait.rs @@ -0,0 +1,25 @@ +// Test that we are able to establish that `<T as +// MyTrait<'a>>::Output: 'a` outlives `'a` (because the trait says +// so). +// +// check-pass + +trait MyTrait<'a> { + type Output: 'a; +} + +fn foo<'a, T>() -> &'a () +where + T: MyTrait<'a>, +{ + bar::<T::Output>() +} + +fn bar<'a, T>() -> &'a () +where + T: 'a, +{ + &() +} + +fn main() {} |