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// Tests that we properly detect defining usages when using
// const generics in an associated opaque type
// check-pass
#![feature(impl_trait_in_assoc_type)]
trait UnwrapItemsExt<'a, const C: usize> {
type Iter;
fn unwrap_items(self) -> Self::Iter;
}
struct MyStruct<const C: usize> {}
trait MyTrait<'a, const C: usize> {
type MyItem;
const MY_CONST: usize;
}
impl<'a, const C: usize> MyTrait<'a, C> for MyStruct<C> {
type MyItem = u8;
const MY_CONST: usize = C;
}
impl<'a, I, const C: usize> UnwrapItemsExt<'a, C> for I {
type Iter = impl MyTrait<'a, C>;
fn unwrap_items(self) -> Self::Iter {
MyStruct::<C> {}
}
}
fn main() {}
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