| // Copyright 2015 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. |
| |
| // pretty-expanded FIXME #23616 |
| |
| trait T0 { |
| type O; |
| fn dummy(&self) { } |
| } |
| |
| struct S<A>(A); |
| impl<A> T0 for S<A> { type O = A; } |
| |
| trait T1: T0 { |
| // this looks okay but as we see below, `f` is unusable |
| fn m0<F: Fn(<Self as T0>::O) -> bool>(self, f: F) -> bool; |
| } |
| |
| // complains about mismatched types: <S<A> as T0>::O vs. A |
| impl<A> T1 for S<A> |
| { |
| fn m0<F: Fn(<Self as T0>::O) -> bool>(self, f: F) -> bool { f(self.0) } |
| } |
| |
| fn main() { } |
