From 00aba02378ac8be31eb00ee61a8f45997b2d74c0 Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Thu, 23 Oct 2025 19:36:55 +0200
Subject: fix: use string for filenames

---
 2016/src/day09.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to '2016/src/day09.cpp')

diff --git a/2016/src/day09.cpp b/2016/src/day09.cpp
index 10bf640..825fb05 100644
--- a/2016/src/day09.cpp
+++ b/2016/src/day09.cpp
@@ -4,7 +4,7 @@
 using namespace std;
 
 string
-read_file(string_view filename)
+read_file(const string& filename)
 {
 	fstream input{ filename };
 	string  line;
-- 
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