37 lines
1019 B
Rust
37 lines
1019 B
Rust
// 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.
|
|
|
|
|
|
|
|
enum foo { large, small, }
|
|
|
|
impl foo : cmp::Eq {
|
|
pure fn eq(&self, other: &foo) -> bool {
|
|
((*self) as uint) == ((*other) as uint)
|
|
}
|
|
pure fn ne(&self, other: &foo) -> bool { !(*self).eq(other) }
|
|
}
|
|
|
|
fn main() {
|
|
let a = (1, 2, 3);
|
|
let b = (1, 2, 3);
|
|
assert (a == b);
|
|
assert (a != (1, 2, 4));
|
|
assert (a < (1, 2, 4));
|
|
assert (a <= (1, 2, 4));
|
|
assert ((1, 2, 4) > a);
|
|
assert ((1, 2, 4) >= a);
|
|
let x = large;
|
|
let y = small;
|
|
assert (x != y);
|
|
assert (x == large);
|
|
assert (x != small);
|
|
}
|