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define(['./_baseSum', './identity'], function(baseSum, identity) {
  /**   * Computes the sum of the values in `array`.   *   * @static   * @memberOf _   * @since 3.4.0   * @category Math   * @param {Array} array The array to iterate over.   * @returns {number} Returns the sum.   * @example   *   * _.sum([4, 2, 8, 6]);   * // => 20   */  function sum(array) {    return (array && array.length)      ? baseSum(array, identity)      : 0;  }
  return sum;});