748bc3ca49
This is part of the ongoing renaming of the equality traits. See #12517 for more details. All code using Eq/Ord will temporarily need to move to Partial{Eq,Ord} or the Total{Eq,Ord} traits. The Total traits will soon be renamed to {Eq,Ord}. cc #12517 [breaking-change]
79 lines
2.0 KiB
Rust
79 lines
2.0 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test default methods in PartialOrd and PartialEq
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//
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struct Fool(bool);
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impl PartialEq for Fool {
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fn eq(&self, other: &Fool) -> bool {
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let Fool(this) = *self;
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let Fool(other) = *other;
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this != other
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}
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}
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struct Int(int);
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impl PartialEq for Int {
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fn eq(&self, other: &Int) -> bool {
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let Int(this) = *self;
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let Int(other) = *other;
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this == other
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}
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}
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impl PartialOrd for Int {
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fn lt(&self, other: &Int) -> bool {
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let Int(this) = *self;
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let Int(other) = *other;
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this < other
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}
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}
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struct RevInt(int);
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impl PartialEq for RevInt {
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fn eq(&self, other: &RevInt) -> bool {
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let RevInt(this) = *self;
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let RevInt(other) = *other;
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this == other
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}
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}
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impl PartialOrd for RevInt {
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fn lt(&self, other: &RevInt) -> bool {
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let RevInt(this) = *self;
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let RevInt(other) = *other;
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this > other
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}
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}
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pub fn main() {
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assert!(Int(2) > Int(1));
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assert!(Int(2) >= Int(1));
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assert!(Int(1) >= Int(1));
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assert!(Int(1) < Int(2));
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assert!(Int(1) <= Int(2));
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assert!(Int(1) <= Int(1));
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assert!(RevInt(2) < RevInt(1));
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assert!(RevInt(2) <= RevInt(1));
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assert!(RevInt(1) <= RevInt(1));
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assert!(RevInt(1) > RevInt(2));
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assert!(RevInt(1) >= RevInt(2));
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assert!(RevInt(1) >= RevInt(1));
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assert!(Fool(true) == Fool(false));
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assert!(Fool(true) != Fool(true));
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assert!(Fool(false) != Fool(false));
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assert!(Fool(false) == Fool(true));
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}
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