# encoding: UTF-8 # # Copyright (c) 2010-2015 GoodData Corporation. All rights reserved. # This source code is licensed under the BSD-style license found in the # LICENSE file in the root directory of this source tree. class FalseClass # +false+ is not duplicable: # # false.duplicable? # => false # false.dup # => TypeError: can't dup FalseClass def duplicable? false end end