Contents

# encoding: utf-8
require "naught"

module ServiceObjects #:nodoc:

  # Implements Null Object pattern
  #
  # @note
  #   The constant is a singleton black hole object that returns
  #   itself to any method call
  #
  # @example
  #   ServiceObjects::NULL.respond_to? :arbitrary_method
  #   # => true
  #
  #   ServiceObjects::NULL.arbitrary_method
  #   # => ServiceObjects::NULL
  #
  # @see https://github.com/avdi/naught
  #   documentation for the 'naught' gem by Avdi Grimm
  NULL = Naught.build do |config|
    config.black_hole
    config.singleton
  end.instance

end # module ServiceObjects

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
service_objects-0.1.0	lib/service_objects/null.rb
service_objects-0.0.2	lib/service_objects/null.rb
service_objects-0.0.1	lib/service_objects/null.rb