// Copyright 2014 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. use std::fmt::Show; trait MyTrait { fn get(&self) -> T; } struct MyType { dummy: uint } impl Copy for MyType {} impl MyTrait for MyType { fn get(&self) -> uint { self.dummy } } impl MyTrait for MyType { fn get(&self) -> u8 { self.dummy as u8 } } fn test_eq(m: M, v: T) where T : Eq + Show, M : MyTrait { assert_eq!(m.get(), v); } pub fn main() { let value = MyType { dummy: 256 + 22 }; test_eq::(value, value.dummy); test_eq::(value, value.dummy as u8); }