code: function hashSet$1(key, value) {
    var data = this.__data__;
    this.size += this.has(key) ? 0 : 1;
    data[key] = nativeCreate$4 && value === undefined ? HASH_UNDEFINED$1 : value;
    return this;
  }
docs: Sets the hash `key` to `value`.
  
  @private
  @name set
  @memberOf Hash
  @param {string} key The key of the value to set.
  @param {*} value The value to set.
  @returns {Object} Returns the hash instance.