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