Contents

module Serinette
  # Gives mixed in classes a method for returning an array of their descendents
  module Descendents
    def self.included(base)
      base.extend(ClassMethods)
    end

    # required for inheritance
    module ClassMethods
      def descendents
        ObjectSpace.each_object(Class).select { |klass| klass < self }
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
serinette-0.0.3	lib/mixins/descendents.rb
serinette-0.0.2	lib/mixins/descendents.rb
serinette-0.0.0.pre	lib/mixins/descendents.rb