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-rw-r--r--src/prelude.lisp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/prelude.lisp b/src/prelude.lisp
index 6c48743..3e7ab81 100644
--- a/src/prelude.lisp
+++ b/src/prelude.lisp
@@ -2,3 +2,10 @@
(defvar pi 3.1415926)
+(defmacro incq (i)
+ `(setq ,i (+ ,i 1)))
+
+(defmacro decq (i)
+ `(setq ,i (- ,i 1)))
+
+(defun zerop (x) (= x 0))