original.name="MessageSend_Valid_5"
======
>>> main.whiley
type Sum is &{int result, int[] items}

method start(Sum _this) :
    int sum = 0
    int i = 0
    int[] items = _this->items
    while i < |items| where i >= 0:
        sum = sum + items[i]
        i = i + 1
    _this->result = sum

method get(Sum _this) -> int:
    return _this->result

method create(int[] items) -> Sum:
    return new {result: 0, items: items}

public export method test() :
    int[] data = [1, 3, 5, 7, 3, 198, 1, 4, 6]
    Sum sum = create(data)
    start(sum)
    int result = get(sum)
    assume result == 228

---