import { DoublyLinkedList } from "https://deno.land/x/velo@1.0.0/src/utils/doubly_linked_list.ts";
Parameters
node: Node<K, V | undefined>
x/velo/src/utils/doubly_linked_list.ts>DoublyLinkedList#insertAtHead
import { DoublyLinkedList } from "https://deno.land/x/velo@1.0.0/src/utils/doubly_linked_list.ts";