1 var nativeCreate = require('./_nativeCreate');
3 /** Used to stand-in for `undefined` hash values. */
4 var HASH_UNDEFINED = '__lodash_hash_undefined__';
7 * Sets the hash `key` to `value`.
12 * @param {string} key The key of the value to set.
13 * @param {*} value The value to set.
14 * @returns {Object} Returns the hash instance.
16 function hashSet(key, value) {
17 var data = this.__data__;
18 this.size += this.has(key) ? 0 : 1;
19 data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
23 module.exports = hashSet;