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Created Apr 20, 2021
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Not a very good implementation of a not very impressive feature
(defmacro dart (&rest xs)
(flet ((wrap (x) (if (and (consp x) (eq 'if (car x)))
`(if ,(cadr x) (list ,(caddr x)))
`(list ,x))))
`(mapcan #'identity (list ,@(mapcar #'wrap xs)))))
(princ (list-length (dart
(if t 0))))
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