mod test;use std::env;fnmain() {let args: Vec<String> = env::args().collect();let first = args[1].parse::<i32>().expect("Invliad value for first argument.");let second = args[2].parse::<i32>().expect("Invliad value for second argument.");let new = test::add(first, second);
println!("New value: {}", new);}