yaru22

// Use: var tree = new OST(); tree.select(4); tree.insert(key,value)
var OST = function () {
  // Order statistic tree node
  var Node = function (leftChild, key, value, rightChild, parent) {
    return {
      leftChild: (typeof leftChild === "undefined") ? null : 
      leftChild,
      key: (typeof key === "undefined") ? null : key,
      value: (typeof value === "undefined") ? null : value,
      rightChild: (typeof rightChild === "undefined") ? null : 

devagrawal09

export type QueryStatus = "loading" | "error" | "success";

export type ReadonlyStore<T> = {
  getState: () => T;
  subscribe: (
    listenerOrStore: ((state: T) => void) | Store<any>
  ) => () => void;
};
export type Store<T> = ReadonlyStore<T> & {
  setState: (newStateOrReducer: T | ((state: T) => T)) => void;