| // Check projection of an associated type out of a higher-ranked |
| // trait-bound in the context of a function body. |
| |
| pub trait Foo<T> { |
| type A; |
| |
| fn get(&self, t: T) -> Self::A; |
| } |
| |
| fn foo<'a, I : for<'x> Foo<&'x isize>>( |
| x: <I as Foo<&'a isize>>::A) |
| { |
| let y: I::A = x; |
| } |
| |
| fn bar<'a, 'b, I : for<'x> Foo<&'x isize>>( |
| x: <I as Foo<&'a isize>>::A, |
| y: <I as Foo<&'b isize>>::A, |
| cond: bool) |
| { |
| // x and y here have two distinct lifetimes: |
| let z: I::A = if cond { x } else { y }; |
| //~^ ERROR lifetime mismatch |
| } |
| |
| pub fn main() {} |
