How do you set, clear and toggle a single bit in Rust?

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不思量自难忘°
不思量自难忘° 2020-11-29 08:33

How do I set, clear and toggle a bit in Rust?

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  •  心在旅途
    2020-11-29 09:02

    Rust has both bit-twiddling operators and binary format printing (very helpful for debugging):

    fn bit_twiddling(original: u8, bit: u8) {
        let mask = 1 << bit;
    
        println!(
            "Original: {:b}, Set: {:b}, Cleared: {:b}, Toggled: {:b}",
            original,
            original |  mask,
            original & !mask,
            original ^  mask
        );
    }
    
    fn main() {
        bit_twiddling(0, 3);
        bit_twiddling(8, 3);
    }
    

    It also has the compound assignment variants (|=, &= and ^=).

    The book has some more information

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