// 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. const ONE : i64 = 1; const NEG_ONE : i64 = -1; const ZERO : i64 = 0; #[allow(clippy::eq_op, clippy::no_effect, clippy::unnecessary_operation, clippy::double_parens)] #[warn(clippy::identity_op)] fn main() { let x = 0; x + 0; x + (1 - 1); x + 1; 0 + x; 1 + x; x - ZERO; //no error, as we skip lookups (for now) x | (0); ((ZERO)) | x; //no error, as we skip lookups (for now) x * 1; 1 * x; x / ONE; //no error, as we skip lookups (for now) x / 2; //no false positive x & NEG_ONE; //no error, as we skip lookups (for now) -1 & x; let u : u8 = 0; u & 255; }