src/test/compile-fail/partialeq_help.rs


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// Copyright 2017 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.

fn foo<T: PartialEq>(a: &T, b: T) {
    a == b; //~ ERROR E0277
            //~| NOTE can't compare `&T` with `T`
            //~| HELP the trait `std::cmp::PartialEq<T>` is not implemented for `&T`
            //~| HELP consider adding a `where &T: std::cmp::PartialEq<T>` bound
}

fn main() {
    foo(&1, 1);
}