rust-clippy/tests/ui/trailing_zeros.rs

// 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.

#![feature(stmt_expr_attributes)]
#![allow(unused_parens)]

fn main() {
    let x: i32 = 42;
    let _ = #[clippy::author]
    (x & 0b1111 == 0); // suggest trailing_zeros
    let _ = x & 0b1_1111 == 0; // suggest trailing_zeros
    let _ = x & 0b1_1010 == 0; // do not lint
    let _ = x & 1 == 0; // do not lint
}