30 lines
942 B
Rust
30 lines
942 B
Rust
// Copyright 2014 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.
|
|
|
|
pub trait Equal {
|
|
fn equal(&self, other: &Self) -> bool;
|
|
fn equals<T,U>(&self, this: &T, that: &T, x: &U, y: &U) -> bool
|
|
where T: Eq, U: Eq;
|
|
}
|
|
|
|
impl<T> Equal for T where T: Eq {
|
|
fn equal(&self, other: &T) -> bool {
|
|
self == other
|
|
}
|
|
fn equals<U,X>(&self, this: &U, other: &U, x: &X, y: &X) -> bool
|
|
where U: Eq, X: Eq {
|
|
this == other && x == y
|
|
}
|
|
}
|
|
|
|
pub fn equal<T>(x: &T, y: &T) -> bool where T: Eq {
|
|
x == y
|
|
}
|