| // 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. |
| |
| trait T { |
| fn print(&self); |
| } |
| |
| struct S { |
| s: int, |
| } |
| |
| impl T for S { |
| fn print(&self) { |
| println!("{:?}", self); |
| } |
| } |
| |
| fn print_t(t: &T) { |
| t.print(); |
| } |
| |
| fn print_s(s: &S) { |
| s.print(); |
| } |
| |
| pub fn main() { |
| let s: @S = @S { s: 5 }; |
| print_s(s); |
| let t: @T = s as @T; |
| print_t(t); |
| |
| } |
