import { RBTree } from "https://deno.land/x/collections@v0.10.1/trees/rb_tree.ts";
Adds the value to the binary search tree if it does not already exist in it. Returns true if successful.
Module
x/collections/trees/rb_tree.ts>RBTree#insert
Collection data structures that are not standard built-in objects in JavaScript. This includes a vector (double-ended queue), binary heap (priority queue), binary search tree, and a red black tree.