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|
//@ check-pass
// From https://github.com/rust-lang/rust/issues/72476
// and https://github.com/rust-lang/rust/issues/89393
trait Trait {
type Projection;
}
struct A;
impl Trait for A {
type Projection = bool;
}
struct B;
impl Trait for B {
type Projection = (u32, u32);
}
struct Next<T: Trait>(T::Projection);
fn foo1(item: Next<A>) {
match item {
Next(true) => {}
Next(false) => {}
}
}
fn foo2(x: <A as Trait>::Projection) {
match x {
true => {}
false => {}
}
}
fn foo3(x: Next<B>) {
let Next((_, _)) = x;
match x {
Next((_, _)) => {}
}
}
fn foo4(x: <B as Trait>::Projection) {
let (_, _) = x;
match x {
(_, _) => {}
}
}
fn foo5<T: Trait>(x: <T as Trait>::Projection) {
match x {
_ => {}
}
}
fn main() {}
|
