Class: Lou::Transformer::Step

Inherits:
Object
  • Object
show all
Defined in:
lib/lou/transformer/step.rb

Instance Method Summary collapse

Instance Method Details

#apply(input) ⇒ Object 



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# File 'lib/lou/transformer/step.rb', line 14

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

#down(&block) ⇒ Object 



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# File 'lib/lou/transformer/step.rb', line 9

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

#reverse(output) ⇒ Object 



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# File 'lib/lou/transformer/step.rb', line 18

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

#up(&block) ⇒ Object 



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# File 'lib/lou/transformer/step.rb', line 4

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