src/test/run-pass/issue-5988.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 use std::io;
  12 trait B {
  13     fn f(&self);
  14 }
  15
  16 trait T : B {
  17 }
  18
  19 struct A;
  20
  21 impl<U: T> B for U {
  22     fn f(&self) { io::println("Hey, I'm a T!"); }
  23 }
  24
  25 impl T for A {
  26 }
  27
  28 fn main() {
  29     let a = A;
  30     let br = &a as &B;
  31     br.f();
  32 }