rust-clippy/tests/ui/precedence.rs
2018-10-06 09:43:08 -07:00

48 lines
1.1 KiB
Rust

// 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(tool_lints)]
#[warn(clippy::precedence)]
#[allow(clippy::identity_op)]
#[allow(clippy::eq_op)]
macro_rules! trip {
($a:expr) => {
match $a & 0b1111_1111i8 {
0 => println!("a is zero ({})", $a),
_ => println!("a is {}", $a),
}
};
}
fn main() {
1 << 2 + 3;
1 + 2 << 3;
4 >> 1 + 1;
1 + 3 >> 2;
1 ^ 1 - 1;
3 | 2 - 1;
3 & 5 - 2;
-1i32.abs();
-1f32.abs();
// These should not trigger an error
let _ = (-1i32).abs();
let _ = (-1f32).abs();
let _ = -(1i32).abs();
let _ = -(1f32).abs();
let _ = -(1i32.abs());
let _ = -(1f32.abs());
let b = 3;
trip!(b * 8);
}