Function beforeEach

data_structures/_binary_search_node_test.ts:7–11

()

let parent: BinarySearchNode<number>;
let child: BinarySearchNode<number>;
function beforeEach() {
  parent = new BinarySearchNode(null, 5);
  child = new BinarySearchNode(parent, 7);
  parent.right = child;
}

Deno.test("BinarySearchNode", () => {
  beforeEach();