Function unshiftNode

unshiftNode<L extends ISinglyLinkedList<ISinglyLinkedListNode>>(
instance: L,
node: NonNullable<L["head"]>,
): void
Adds a node to the beginning of a singly linked list.

The node's next pointer is replaced by the current head, so it brings no former successor with it.
- Time Complexity: O(1)
- Space Complexity: O(1)
Type Parameters
- L extends ISinglyLinkedList<ISinglyLinkedListNode>
  The type of the list.
Parameters
- instance: L
  The list instance.
- node: NonNullable<L["head"]>
  The node to add.
Returns void
- Defined in src/core/singly-linked-list/list.ts:164