module Singleton::SingletonInstanceMethods
Public Instance Methods
_dump
(depth = -1)
By default, do not retain any state when marshalling.
# File lib/singleton.rb, line 109 def _dump(depth = -1) '' end
clone
()
Raises a TypeError
to prevent cloning.
# File lib/singleton.rb, line 99 def clone raise TypeError, "can't clone instance of singleton #{self.class}" end
dup
()
Raises a TypeError
to prevent duping.
# File lib/singleton.rb, line 104 def dup raise TypeError, "can't dup instance of singleton #{self.class}" end