rust/src/test/compile-fail/issue-3344.rs
Daniel Micay 4d7d101a76 create a sensible comparison trait hierarchy
* `Ord` inherits from `Eq`
* `TotalOrd` inherits from `TotalEq`
* `TotalOrd` inherits from `Ord`
* `TotalEq` inherits from `Eq`

This is a partial implementation of #12517.
2014-03-07 22:45:22 -05:00

18 lines
696 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.
#[deriving(Eq)]
struct thing(uint);
impl Ord for thing { //~ ERROR not all trait methods implemented, missing: `lt`
fn le(&self, other: &thing) -> bool { true }
fn ge(&self, other: &thing) -> bool { true }
}
fn main() {}