diff options
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-73229.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-73229.rs b/src/test/ui/issues/issue-73229.rs new file mode 100644 index 000000000..35346199a --- /dev/null +++ b/src/test/ui/issues/issue-73229.rs @@ -0,0 +1,33 @@ +// check-pass + +fn any<T>() -> T { + loop {} +} + +trait Foo { + type V; +} + +trait Callback<T: Foo>: Fn(&T, &T::V) {} +impl<T: Foo, F: Fn(&T, &T::V)> Callback<T> for F {} + +struct Bar<T: Foo> { + callback: Box<dyn Callback<T>>, +} + +impl<T: Foo> Bar<T> { + fn event(&self) { + (self.callback)(any(), any()); + } +} + +struct A; +struct B; +impl Foo for A { + type V = B; +} + +fn main() { + let foo = Bar::<A> { callback: Box::new(|_: &A, _: &B| ()) }; + foo.event(); +} |