Class: RedGrape::Pipe::BackPipe

Inherits:
Base show all
Defined in:
lib/red_grape/pipe/back_pipe.rb

Instance Attribute Summary

Attributes inherited from Base

#it, #next, #opts, #prev, #value

Instance Method Summary collapse

Methods inherited from Base

#copy, #done?, #dup, #first?, #first_pipe, #initialize, #last?, #method_missing, #pass_next, #pipe_eval, #pipe_name, #size, #take, #to_a, #to_ary, #to_s

Constructor Details

This class inherits a constructor from RedGrape::Pipe::Base

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class RedGrape::Pipe::Base

Instance Method Details

#pass(obj, context) ⇒ Object 



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# File 'lib/red_grape/pipe/back_pipe.rb', line 6

def pass(obj, context)
  label = self.opts.first
  obj = case label
    when Integer
      context.history[-label]
    else
      context.mark label
    end
  pass_next context, obj
end