minus-one 0.1.0

A proc-macro crate to subtract one from a number
Documentation 
1
2
3
4
5
6
7
8
9
10

use minus_one::minus_one;

#[test]
fn test_minus_one() {
    let max_byte: u8 = minus_one!(256);
    assert_eq!(max_byte, 255);

    let min_byte: u8 = minus_one!(1);
    assert_eq!(min_byte, 0);
}