// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #[derive(PartialEq)] struct thing(usize); impl PartialOrd for thing { //~ ERROR not all trait items implemented, missing: `partial_cmp` fn le(&self, other: &thing) -> bool { true } fn ge(&self, other: &thing) -> bool { true } } fn main() {}