Function setHashKey

test/angular/1.7/angular.js:454–460

* Set or clear the hashkey for an object. * @param obj object * @param h the hashkey (!truthy to delete the hashkey)

(obj, h)

 * @param h the hashkey (!truthy to delete the hashkey)
 */
function setHashKey(obj, h) {
  if (h) {
    obj.$$hashKey = h;
  } else {
    delete obj.$$hashKey;
  }
}


function baseExtend(dst, objs, deep) {