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#![allow(unused_variables)]
fn make_any<T>() -> T { loop {} }
trait Trait<'a> {
type Type;
fn method(&'a self) { }
}
fn method1<'a,'b,T>(x: &'a T, y: &'b T)
where T : for<'z> Trait<'z>, 'a : 'b
{
// Note that &'static T <: &'a T.
let a: <T as Trait<'a>>::Type = make_any();
let b: <T as Trait<'b>>::Type = make_any();
let _c: <T as Trait<'a>>::Type = a;
}
fn method2<'a,'b,T>(x: &'a T, y: &'b T)
where T : for<'z> Trait<'z>, 'a : 'b
{
// Note that &'static T <: &'a T.
let a: <T as Trait<'a>>::Type = make_any();
//~^ ERROR lifetime may not live long enough
let b: <T as Trait<'b>>::Type = make_any();
let _c: <T as Trait<'b>>::Type = a;
}
fn method3<'a,'b,T>(x: &'a T, y: &'b T)
where T : for<'z> Trait<'z>, 'a : 'b
{
// Note that &'static T <: &'a T.
let a: <T as Trait<'a>>::Type = make_any();
let b: <T as Trait<'b>>::Type = make_any();
let _c: <T as Trait<'a>>::Type = b;
//~^ ERROR lifetime may not live long enough
}
fn method4<'a,'b,T>(x: &'a T, y: &'b T)
where T : for<'z> Trait<'z>, 'a : 'b
{
// Note that &'static T <: &'a T.
let a: <T as Trait<'a>>::Type = make_any();
let b: <T as Trait<'b>>::Type = make_any();
let _c: <T as Trait<'b>>::Type = b;
}
fn main() { }
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