
/*
derived from:
https://github.com/Microsoft/tslib/blob/v1.6.0/tslib.js

only include the helpers we need, to keep down filesize
*/

var extendStatics =
  Object.setPrototypeOf ||
  ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
  function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };

exports.__extends = function (d, b) {
  extendStatics(d, b);
  function __() { this.constructor = d; }
  d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
