Contents

module Lou
  module Transformer
    class Step
      def up(&block)
        @up = block
        self
      end

      def down(&block)
        @down = block
        self
      end

      def apply(input)
        @up.nil? ? input : @up.call(input)
      end

      def reverse(output)
        @down.nil? ? output : @down.call(output)
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
lou-0.2.3	lib/lou/transformer/step.rb
lou-0.2.2	lib/lou/transformer/step.rb
lou-0.2.1	lib/lou/transformer/step.rb
lou-0.2.0	lib/lou/transformer/step.rb