Contents

# frozen_string_literal: true

require 'singleton' # Use the Singleton design pattern
require_relative 'builtin_datatype'

module Loxxy
  module Datatype
    # Class for representing a Lox nil "value".
    class Nil < BuiltinDatatype
      include Singleton # Make a singleton class
      
      # Build the sole instance
      def initialize
        super(nil)
      end
    end # class
    
    Nil.instance.freeze  # Make the sole instance immutable
  end # module
end # module

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
loxxy-0.0.4	lib/loxxy/datatype/nil.rb
loxxy-0.0.3	lib/loxxy/datatype/nil.rb