From c9b6b9a5ca082fe7c1b6f58d7713f785a9eb6a5c Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:08:27 +0200
Subject: add: graphs et rushs

---
 graphs/cpp/singleton/singleton.hh | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 graphs/cpp/singleton/singleton.hh

(limited to 'graphs/cpp/singleton/singleton.hh')

diff --git a/graphs/cpp/singleton/singleton.hh b/graphs/cpp/singleton/singleton.hh
new file mode 100644
index 0000000..715a85f
--- /dev/null
+++ b/graphs/cpp/singleton/singleton.hh
@@ -0,0 +1,33 @@
+//
+// Created by martial.simon on 2/27/25.
+//
+
+#pragma once
+#include <string>
+
+template <typename T>
+class Singleton
+{
+protected:
+    Singleton() = default;
+
+private:
+    Singleton(const Singleton<T>&) = delete;
+    Singleton& operator=(const Singleton<T>&) = delete;
+
+public:
+    static T& instance();
+};
+
+class Logger : public Singleton<Logger>
+{
+    Logger() = default;
+    friend class Singleton<Logger>;
+
+public:
+    void open_log_file(const std::string& file);
+    void write_to_log_file();
+    void close_log_file();
+};
+
+#include "singleton.hxx"
\ No newline at end of file
-- 
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