// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. trait Foo { fn get() -> T; } struct S { x: int } impl Foo for S { fn get() -> int { self.x } } pub fn main() { let x = @S { x: 1 }; let y = x as @Foo; assert y.get() == 1; }