Create module variables in Ruby

Ruby natively supports class variables in modules, so you can use class variables directly, and not some proxy or pseudo-class-variables:

module Site
  @@name = "StackOverflow"

  def self.setName(value)
    @@name = value
  end

  def self.name
    @@name
  end
end

Site.name            # => "StackOverflow"
Site.setName("Test")
Site.name            # => "Test"