From 3758a74d5a9b161a8b15a6c9e65b89735c004f9f Mon Sep 17 00:00:00 2001
From: Masaya Tojo <masaya@tojo.tokyo>
Date: Fri, 11 Oct 2024 21:55:02 +0900
Subject: add validation line

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 0d84f67..dcc7956 100644
--- a/Makefile
+++ b/Makefile
@@ -3,3 +3,4 @@
 test:
 	guile -L . tests/infix-to-prefix-tests.scm
 	cat infix-to-prefix.log
+	! grep -F FAIL infix-to-prefix.log
-- 
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