var baseSum = require('./_baseSum'),

identity = require('./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;

}

module.exports = sum;