RWIIR!!!

edit: here, I did it for you:

use std::*;

const mut sucked: bool = false;

fn main() {
        check_sucked();
        println!("Kris has been sucked is {}", sucked)
}

fn check_sucked() {
        if !sucked {
                suck();
        }
}

fn suck() {
        sucked = true;
}