1  /**
 2   * Removes `key` and its value from the stack.
 3   *
 4   * @private
 5   * @name delete
 6   * @memberOf Stack
 7   * @param {string} key The key of the value to remove.
 8   * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 9   */
10  function stackDelete(key) {
11    var data = this.__data__,
12        result = data['delete'](key);
13  
14    this.size = data.size;
15    return result;
16  }
17  
18  module.exports = stackDelete;