1var baseIsSet = require('./_baseIsSet'), 2 baseUnary = require('./_baseUnary'), 3 nodeUtil = require('./_nodeUtil'); 4 5/* Node.js helper references. */ 6var nodeIsSet = nodeUtil && nodeUtil.isSet; 7 8/** 9 * Checks if `value` is classified as a `Set` object. 10 * 11 * @static 12 * @memberOf _ 13 * @since 4.3.0 14 * @category Lang 15 * @param {*} value The value to check. 16 * @returns {boolean} Returns `true` if `value` is a set, else `false`. 17 * @example 18 * 19 * _.isSet(new Set); 20 * // => true 21 * 22 * _.isSet(new WeakSet); 23 * // => false 24 */ 25var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet; 26 27module.exports = isSet; 28