rust/src/test/run-pass/deriving-via-extension-c-enum.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]
enum Foo {
    Bar,
    Baz,
    Boo
}

fn main() {
    let a = Bar;
    let b = Bar;
    assert a == b;
    assert !(a != b);
    assert a.eq(&b);
    assert !a.ne(&b);
}