module Kernel

def lambda_with_lambda_tracking(&block)
  l = lambda_without_lambda_tracking(&block)
  l.send :__is_lambda__=, true unless block.send(:__is_lambda__) == false
  l
end

def proc_with_lambda_tracking(&block)
  l = proc_without_lambda_tracking(&block)
  l.send :__is_lambda__=, block.send(:__is_lambda__) == true
  l
end