fn main() {
    let mut s = String::from("farts");
    let s2 = String::from("farts");
    s.push_str(" and blarts");
    println!("Hello, {s}!");

    s = String::from("hello");
    takes_ownership(s.clone());
    takes_ownership(s.clone());
    let r1 = &mut s;
    takes_ref(r1);
    let r2 = &mut s;
    takes_ref(r2);
    //takes_ref(r1);
    let x = 5;
    makes_copy(x);
    let s3 = take_and_give_back(s);
    println!("cha cha cha {}", s3);
    let s4 = take_and_give_back(String::from("farts"));
    let s5 = take_and_give_back(s2);


    println!("cha cha cha {} {}", s4, s5);

}

fn take_and_give_back(mut some_string: String) -> String {
    some_string.push_str("caflobble");
    some_string
}

fn takes_ref(some_string: &mut String) {
    some_string.push_str("sdf");
    println!("{}", some_string);
}

fn takes_ownership(some_string: String) {
    println!("{}", some_string);
}

fn makes_copy(some_int: u8) {
    println!("some int: {}", some_int);
}