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Diffstat (limited to 'tests/ui/closures/self-supertrait-bounds.rs')
-rw-r--r-- | tests/ui/closures/self-supertrait-bounds.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/closures/self-supertrait-bounds.rs b/tests/ui/closures/self-supertrait-bounds.rs new file mode 100644 index 000000000..f4f1cea6b --- /dev/null +++ b/tests/ui/closures/self-supertrait-bounds.rs @@ -0,0 +1,14 @@ +// check-pass + +// Makes sure that we only consider `Self` supertrait predicates while +// elaborating during closure signature deduction. + +#![feature(trait_alias)] + +trait Confusing<F> = Fn(i32) where F: Fn(u32); + +fn alias<T: Confusing<F>, F>(_: T, _: F) {} + +fn main() { + alias(|_| {}, |_| {}); +} |