rust/src/test/run-pass/issue-3935.rs

// 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.

#[deriving(Eq)]
struct Bike {
    name: StrBuf,
}

pub fn main() {
    let town_bike = Bike { name: "schwinn".to_strbuf() };
    let my_bike = Bike { name: "surly".to_strbuf() };

    assert!(town_bike != my_bike);
}