// Constructor.
fn List() {
    let result = {
        data: [],
        push: (self, item) => {
            push(self.data, item);
        },
        pop: (self) => {
            return pop(self.data);
        },
        len: (self) => {
            return len(self.data);
        }
    };

    return result;
}

// Instantiation.
let list = List();
print("new list", list);

// Pushing 5 items in a loop.
let index = 0;
loop {
    if (index >= 5) break;
    list.push(index);
    index = index + 1;
}

print("pushed list", list);       // Misc accesses.
print("length list", list.len()); // Misc accesses.
print("poped item", list.pop());  // Misc accesses.
print("poped list", list);        // Misc accesses.

print("list.data", list.data);
print("list[\"data\"]", list["data"]);