#[derive(Drop)]
enum Wrapper {
Only: felt252,
}
fn run_test(arr: Array<Wrapper>) -> felt252 {
let mut arr = arr;
let mut sum = 0;
loop {
match arr.pop_front() {
Option::Some(w) => {
match w {
Wrapper::Only(v) => { sum += v; },
};
},
Option::None => { break; },
};
};
sum
}