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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-69683.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-69683.rs b/src/test/ui/issues/issue-69683.rs new file mode 100644 index 000000000..7a76e9ef2 --- /dev/null +++ b/src/test/ui/issues/issue-69683.rs @@ -0,0 +1,33 @@ +pub trait Element<S> { + type Array; +} + +impl<T> Element<()> for T { + type Array = T; +} + +impl<T: Element<S>, S> Element<[S; 3]> for T { + type Array = [T::Array; 3]; +} + +trait Foo<I> +where + u8: Element<I>, +{ + fn foo(self, x: <u8 as Element<I>>::Array); +} + +impl<I> Foo<I> for u16 +where + u8: Element<I>, +{ + fn foo(self, _: <u8 as Element<I>>::Array) {} +} + +fn main() { + let b: [u8; 3] = [0u8; 3]; + + 0u16.foo(b); //~ ERROR type annotations needed + //~^ ERROR type annotations needed + //<u16 as Foo<[(); 3]>>::foo(0u16, b); +} |