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1 point by parenthesis 6425 days ago | link | parent

It's okay so long as you don't try to print a circular list:

  arc> (= a '(1 2))
  (1 2)
  arc> (do (= (cddr a) a) t)
  t
  arc> (pop a)
  1
  arc> (pop a)
  2
  arc> (pop a)
  1
  arc> (pop a)
  2