rustlings/exercises/functions/functions5.rs

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2018-02-22 01:09:53 -05:00
// functions5.rs
// Make me compile! Execute `rustlings hint functions5` for hints :)
fn main() {
let answer = square(3);
println!("The answer is {}", answer);
}
fn square(num: i32) -> i32 {
num * num;
}