Challenge 59

Can you predict what will be printed in the code shown below?

// Rust Bytes Issue 68

fn main() {
    let x: i128 = 2;
    let y: i128 = 1;

    println!("1. ilog_2(2): {}", x.ilog(2));
    println!("2. ilog_2(1): {}", y.ilog(2));
}

Solution

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