fn print(msg: string) #[builtin(print)] {}

fn sum(a: int, b: int) -> int {
    + a b
}

fn main() {
    sum(2,3); // -> 5

    let a: string = "Hello";
     
    let b = "world";

    print(+ + + a " " b "!\n"); // -> "Hello world!"

    if == a b {
        print("whaaaat\n");
    }
    else {
        print(":o\n");
    }

    loop {
        let i = 0;

        if >= i 10 {
           break;
        }

        i = + i 1;
    }
}