function arrayReduceRight(array, iteratee, accumulator, initFromArray) {
	      var length = array.length;
	      if (initFromArray && length) {
	        accumulator = array[--length];
	      }
	      while (length--) {
	        accumulator = iteratee(accumulator, array[length], length, array);
	      }
	      return accumulator;
	    }
A specialized version of `_.reduceRight` for arrays without support for
callback shorthands and `this` binding.

@private
@param {Array} array The array to iterate over.
@param {Function} iteratee The function invoked per iteration.
@param {*} [accumulator] The initial value.
@param {boolean} [initFromArray] Specify using the last element of `array`
 as the initial value.
@returns {*} Returns the accumulated value.