rustlings/exercises/functions/functions5.rs

// functions5.rs
//
// Make me compile!
//
// If you need help, open the corresponding README.md or run: rustlings hint functions5

// I AM NOT DONE

fn main() {
    let answer = square(3);
    println!("The answer is {}", answer);
}

fn square(num: i32) -> i32 {
    num * num;
}