From e028209adff0fb8f93871b38ec4f8e4718e535a5 Mon Sep 17 00:00:00 2001
From: Kistaro Windrider <kistaro@gmail.com>
Date: Sun, 1 Jan 2023 14:11:11 -0800
Subject: [PATCH] assert on unrecognized directive

saves four tokens and is more diagnostic.
---
 chameleonic.p8 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chameleonic.p8 b/chameleonic.p8
index 95b65e8..30b30c6 100644
--- a/chameleonic.p8
+++ b/chameleonic.p8
@@ -62,7 +62,7 @@ function fmt(f, ...)
     elseif m == "!" then
      out ..= tostring(p)
     else
-     out ..= "(?!:"..m..":"..tostring(p)..")"
+     assert(false, tostr(m).."is not a formatting directive")
     end
    end
    out ..=sub(s,2)