Function reduceRight

MathBox/mathbox-bundle.js:38899–38908

* This method is like `_.reduce` except that it iterates over elements * of a `collection` from right to left. * * @static * @memberOf _ * @alias foldr * @category Collections * @param {Array|Object|string} collection The collection to iterate over. * @param {

(collection, callback, accumulator, thisArg)

     * // => [4, 5, 2, 3, 0, 1]
     */
    function reduceRight(collection, callback, accumulator, thisArg) {
      var noaccum = arguments.length < 3;
      callback = lodash.createCallback(callback, thisArg, 4);
      forEachRight(collection, function(value, index, collection) {
        accumulator = noaccum
          ? (noaccum = false, value)
          : callback(accumulator, value, index, collection);
      });
      return accumulator;
    }

    /**
     * The opposite of `_.filter` this method returns the elements of a