[p2] helper function

p2/p2.org

@@ -3,15 +3,21 @@
 First load the data as a list of cons cells (stsrt . end)
 #+begin_src emacs-lisp :results none
   (with-temp-buffer
-      (insert-file-contents "input-test")
-      (advent/replace-multiple-regex-buffer
-       '(("," . "\n")
-         ("-" . " . ")
-         ("^" . "(")
-         ("$" . ")")))
-      (goto-char (point-min))
-      (insert "(setq data '(")
-      (goto-char (point-max))
-      (insert "))")
-      (eval-buffer))
+    (insert-file-contents "input-test")
+    (advent/replace-multiple-regex-buffer
+     '(("," . "\n")
+       ("-" . " . ")
+       ("^" . "(")
+       ("$" . ")")))
+    (goto-char (point-min))
+    (insert "(setq data '(")
+    (goto-char (point-max))
+    (insert "))")
+    (eval-buffer))
 #+end_src
+
+#+begin_src emacs-lisp :results none
+  (defun create-range (rng)
+    (-iterate #'1+ (car rng) (1+ (- (cdr rng) (car rng)))))
+#+end_src
+