diff options
Diffstat (limited to 'tests/ui/generic-associated-types/issue-80433.rs')
-rw-r--r-- | tests/ui/generic-associated-types/issue-80433.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/generic-associated-types/issue-80433.rs b/tests/ui/generic-associated-types/issue-80433.rs new file mode 100644 index 000000000..05ff82fa7 --- /dev/null +++ b/tests/ui/generic-associated-types/issue-80433.rs @@ -0,0 +1,32 @@ +#[derive(Default)] +struct E<T> { + data: T, +} + +trait TestMut { + type Output<'a>; + fn test_mut<'a>(&'a mut self) -> Self::Output<'a>; +} + +impl<T> TestMut for E<T> +where + T: 'static, +{ + type Output<'a> = &'a mut T; + fn test_mut<'a>(&'a mut self) -> Self::Output<'a> { + &mut self.data + } +} + +fn test_simpler<'a>(dst: &'a mut impl TestMut<Output = &'a mut f32>) + //~^ ERROR missing generics for associated type +{ + for n in 0i16..100 { + *dst.test_mut() = n.into(); + } +} + +fn main() { + let mut t1: E<f32> = Default::default(); + test_simpler(&mut t1); +} |