#include "std/io.toc", io;
#include "std/arr.toc", arr;

arr_sum ::= fn(t::=, a:arr.Arr(t)) t {
	total := 0 as t;
	for x := a.data {
		total += x;
	}
	total
};

mk_arr ::= fn(x:int, y:int, z:int) a:arr.Arr(int) {
	arr.add(&a, x);
	arr.add(&a, y);
	arr.add(&a, z);
};

main ::= fn() {
	 a := mk_arr(1,2,3);
	 io.puti(arr.len(a));
	 io.puti(arr_sum(a));
};