rust/tests/ui/op_ref.rs

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// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// 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.
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#![feature(tool_lints)]
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#![allow(unused_variables, clippy::blacklisted_name)]
use std::collections::HashSet;
fn main() {
let tracked_fds: HashSet<i32> = HashSet::new();
let new_fds = HashSet::new();
let unwanted = &tracked_fds - &new_fds;
let foo = &5 - &6;
let bar = String::new();
let bar = "foo" == &bar;
let a = "a".to_string();
let b = "a";
if b < &a {
println!("OK");
}
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}