diff options
Diffstat (limited to 'tests/ui/higher-ranked/leak-check-in-selection.rs')
-rw-r--r-- | tests/ui/higher-ranked/leak-check-in-selection.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/higher-ranked/leak-check-in-selection.rs b/tests/ui/higher-ranked/leak-check-in-selection.rs new file mode 100644 index 000000000..e8d6cff85 --- /dev/null +++ b/tests/ui/higher-ranked/leak-check-in-selection.rs @@ -0,0 +1,24 @@ +// run-pass +// revisions: old next +//[next] compile-flags: -Ztrait-solver=next +#![allow(coherence_leak_check)] + +trait Trait: Sized { + fn is_higher_ranked(self) -> bool; +} + +impl Trait for for<'a> fn(&'a ()) { + fn is_higher_ranked(self) -> bool { + true + } +} +impl<'a> Trait for fn(&'a ()) { + fn is_higher_ranked(self) -> bool { + false + } +} + +fn main() { + let x: for<'a> fn(&'a ()) = |&()| (); + assert!(x.is_higher_ranked()); +} |