// Along with the other tests in this series, illustrates the // "projection gap": in this test, we know that `T::Foo: 'x`, and that // is (naturally) enough to conclude that `T::Foo: 'x`. // check-pass #![allow(dead_code)] #![allow(unused_variables)] trait Trait1<'x> { type Foo; } // calling this fn should trigger a check that the type argument // supplied is well-formed. fn wf() { } fn func<'x, T:Trait1<'x>>(t: &'x T::Foo) { wf::<&'x T::Foo>(); } fn main() { }