speedrun-timer/util.lisp
2022-06-04 13:09:39 -07:00

15 lines
342 B
Common Lisp

(defmacro inc (x &optional (val 1))
`(setf ,x (+ ,val ,x)))
;; For system arguments
(defmacro when-option ((options opt) &body body)
`(let ((it (getf ,options ,opt)))
(when it
,@body)))
(defun max-length (lists)
(reduce (lambda (a x) (max a x)) (mapcar #'length lists)))
(defun nonempty-p (s)
(not (zerop (length s))))