| // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Along with the other tests in this series, illustrates the |
| // "projection gap": in this test, we know that `T: 'x`, and that is |
| // enough to conclude that `T::Foo: 'x`. |
| |
| #![feature(rustc_attrs)] |
| #![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<T>() { } |
| |
| fn func<'x, T:Trait1<'x>>(t: &'x T) |
| { |
| wf::<&'x T::Foo>(); |
| } |
| |
| #[rustc_error] |
| fn main() { } //~ ERROR compilation successful |
