Module: IndifferentEval

Defined in:
lib/indifferent_eval/module.rb,
lib/indifferent_eval/version.rb

Instance Method Summary collapse

Instance Method Details

#indifferent_eval(object_to_eval_on = self, &block) ⇒ Object 



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# File 'lib/indifferent_eval/module.rb', line 2

def indifferent_eval(object_to_eval_on = self, &block)
  if block.arity == 0 || block.arity == -1 # Blocks with no arguments return -1 in Ruby 1.8 but 0 in Ruby 1.9.
    object_to_eval_on.instance_eval &block # No block variable so use instance_eval on the object.
  else  
    block.call object_to_eval_on # Block variable passed so #call the block with the object as the variable.
  end
end