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  1. (defun foo (&optional (bar '()))
  2.     (setf bar (cons 1 bar))
  3.     (print bar))
  4.  
  5. (foo)
  6. (foo)
  7. (foo)
  8.  
Success #stdin #stdout 0.02s 10584KB
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https://ideone.com/uRjtmD
language:
Common Lisp (clisp 2.49.92)
created:
11 years ago
visibility:
public

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