Singleton::SingletonInstanceMethods

clone

#

          # File tmp/rubies/ruby-3.5.0-preview1/lib/singleton.rb, line 99
def clone
  raise TypeError, "can't clone instance of singleton #{self.class}"
end

Raises a TypeError to prevent cloning.

_dump(depth = -1)

#

3.5 View on GitHub

          # File tmp/rubies/ruby-3.5.0-preview1/lib/singleton.rb, line 109
def _dump(depth = -1)
  ''
end

By default, do not retain any state when marshalling.

dup

#

3.5 View on GitHub

          # File tmp/rubies/ruby-3.5.0-preview1/lib/singleton.rb, line 104
def dup
  raise TypeError, "can't dup instance of singleton #{self.class}"
end

Raises a TypeError to prevent duping.