#![warn(clippy::precedence)] #![allow(unused_must_use, clippy::no_effect, clippy::unnecessary_operation)] #![allow(clippy::identity_op)] #![allow(clippy::eq_op)] macro_rules! trip { ($a:expr) => { match $a & 0b1111_1111u8 { 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; let b = 3; trip!(b * 8); }