rust/src/libstd/unit.rs
2013-09-12 18:54:13 -07:00

61 lines
1.3 KiB
Rust

// Copyright 2012-2013 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.
/*!
Functions for the unit type.
*/
#[cfg(not(test))]
use prelude::*;
#[cfg(not(test))]
use num::Zero;
#[cfg(not(test))]
impl Eq for () {
#[inline]
fn eq(&self, _other: &()) -> bool { true }
#[inline]
fn ne(&self, _other: &()) -> bool { false }
}
#[cfg(not(test))]
impl Ord for () {
#[inline]
fn lt(&self, _other: &()) -> bool { false }
}
#[cfg(not(test))]
impl TotalOrd for () {
#[inline]
fn cmp(&self, _other: &()) -> Ordering { Equal }
}
#[cfg(not(test))]
impl TotalEq for () {
#[inline]
fn equals(&self, _other: &()) -> bool { true }
}
#[cfg(not(test))]
impl Default for () {
#[inline]
fn default() -> () { () }
}
#[cfg(not(test))]
impl Zero for () {
#[inline]
fn zero() -> () { () }
#[inline]
fn is_zero(&self) -> bool { true }
}