Sets OptionParser object, when opt is false or nil, methods OptionParser::Arguable#options and OptionParser::Arguable#options= are undefined. Thus, there is no ways to access the OptionParser object via the receiver object.

Source Code

# File optparse.rb, line 1694
def options=(opt)
  unless @optparse = opt
    class << self
      undef_method(:options)
      undef_method(:options=)
    end
  end
end