linked_list.txt

fn newList() {
    var list = object();
    list.head = null;
    return list;
}

fn newNode(value) {
    var node = object();
    node.value = value;
    node.next = null;
    return node;
}

fn addToList(list, value) {
    if (list.head == null) {
        list.head = newNode(value);
        return null;
    }
    var currentNode = list.head;
    while (currentNode.next != null) {
        currentNode = currentNode.next;
    }
    currentNode.next = newNode(value);
}

fn printList(list) {
    if (list.head == null) {
        return null;
    }
    var currentNode = list.head;
    println(currentNode.value);
    while (currentNode.next != null) {
        currentNode = currentNode.next;
        println(currentNode.value);
    }
}

var list = newList();
addToList(list, 1);
addToList(list, 2);
printList(list);