 fn plus_one(x: Option<i32>) -> Option<i32> {
     match x {
         None => None,
         Some(i) => Some(i + 1),
     }  
 }


 fn main(){
    let dice_roll = 9;
        match dice_roll {
            3 => add_fancy_hat(),
            7 => remove_fancy_hat(),
            other => move_player(other),
        }
 }