Contents

module Tins
  # Implementation of the null object pattern in Ruby.
  module Null
    def method_missing(*)
      self
    end

    def const_missing(*)
      self
    end

    def to_s
      ''
    end

    def inspect
      'NULL'
    end
  end

  NULL = Class.new do
    include Tins::Null
  end.new
end

require 'tins/alias'

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
tins-0.3.3	lib/tins/null.rb
tins-0.3.2	lib/tins/null.rb
tins-0.3.1	lib/tins/null.rb
tins-0.3.0	lib/tins/null.rb