rustlings/exercises/02_functions/functions5.rs

14 lines
246 B
Rust

// functions5.rs
//
// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a
// hint.
fn main() {
let answer = square(3);
println!("The square of 3 is {}", answer);
}
fn square(num: i32) -> i32 {
num * num;
}