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//@ known-bug: #102047
struct Ty1;
struct Ty2;
pub trait Trait<T> {}
pub trait WithAssoc1<'a> {
type Assoc;
}
pub trait WithAssoc2<'a> {
type Assoc;
}
impl<T, U> Trait<for<'a> fn(<T as WithAssoc1<'a>>::Assoc, <U as WithAssoc2<'a>>::Assoc)> for (T, U)
where
T: for<'a> WithAssoc1<'a> + for<'a> WithAssoc2<'a, Assoc = i32>,
U: for<'a> WithAssoc2<'a>,
{
}
impl WithAssoc1<'_> for Ty1 {
type Assoc = ();
}
impl WithAssoc2<'_> for Ty1 {
type Assoc = i32;
}
impl WithAssoc1<'_> for Ty2 {
type Assoc = ();
}
impl WithAssoc2<'_> for Ty2 {
type Assoc = u32;
}
fn foo<T, U, V>()
where
T: for<'a> WithAssoc1<'a>,
U: for<'a> WithAssoc2<'a>,
(T, U): Trait<V>,
{
}
fn main() {
foo::<Ty1, Ty2, _>();
}
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