Shared via Rust Playground

playground.rs

fn main() {
    let i_start: i8 = 50;
    let i_end: i8 = 64;
    for i in i_start..i_end {
        let l = twice(i);
        println!("{}", l);
    }
}

fn twice(a: i8) -> i8 {
    a + a
}