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// check-pass
#![feature(type_alias_impl_trait)]
type X<A: ToString + Clone, B: ToString + Clone> = impl ToString;
fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) {
(a.clone(), a)
}
pub trait Captures<'a> {}
impl<'a, T: ?Sized> Captures<'a> for T {}
type Foo<'a, 'b> = impl std::fmt::Debug + Captures<'a> + Captures<'b>;
fn foo<'x, 'y>(i: &'x i32, j: &'y i32) -> (Foo<'x, 'y>, Foo<'y, 'x>) {
(i, j)
}
fn main() {
println!("{}", <X<_, _> as ToString>::to_string(&f(42_i32, String::new()).1));
let meh = 42;
let muh = 69;
println!("{:?}", foo(&meh, &muh));
}
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