From d8e400c40c970996599c801974fadb6d49e60fdd Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Sat, 10 Oct 2020 14:51:52 -0300
Subject: Enforce all "post" and "pastebin" layouts have dates in filenames

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 _pastebins/2016-04-05-rpn-macro-setup.md | 27 +++++++++++++++++++++++++++
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 create mode 100644 _pastebins/2016-04-05-rpn-macro-setup.md

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diff --git a/_pastebins/2016-04-05-rpn-macro-setup.md b/_pastebins/2016-04-05-rpn-macro-setup.md
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+---
+title: RPN macro setup
+date: 2016-04-05
+layout: pastebin
+lang: en
+---
+
+```lisp
+(defmacro rpn (body)
+  (rpn-expander body))
+
+(defun rpn-expander (body)
+  (mapcar (lambda (x)
+                (if (listp x)
+                    (rpn-expander x)
+                    x))
+          (reverse body)))
+
+(rpn ((2 1 +) 2 *))
+; => 6
+
+#|
+Just a quick stub.
+
+One could easily improve #'RPN-EXPANDER in order to better suit one's needs.
+|#
+```
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