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// check-pass
//
// Regression test for issue #78632
#![crate_type = "lib"]
pub trait Corge<T> {
type Fred;
}
impl Corge<u8> for () {
type Fred = u32;
}
pub trait Waldo {
type Quax;
}
impl Waldo for u32 {
type Quax = u8;
}
pub trait Grault
where
(): Corge<Self::Thud>,
{
type Thud;
fn bar(_: <() as Corge<Self::Thud>>::Fred) {}
}
impl<T> Grault for T
where
T: Waldo,
(): Corge<T::Quax>,
<() as Corge<T::Quax>>::Fred: Waldo,
{
type Thud = u8;
}
pub trait Plugh<I> {
fn baz();
}
#[derive(Copy, Clone, Debug)]
pub struct Qiz<T> {
foo: T,
}
impl<T> Plugh<<() as Corge<T::Thud>>::Fred> for Qiz<T>
where
T: Grault,
(): Corge<T::Thud>,
{
fn baz() {}
}
pub fn test() {
<Qiz<u32> as Plugh<u32>>::baz();
}
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