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/cartesian_vector/state_saver.hh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 graphs/cpp/cartesian_vector/state_saver.hh

(limited to 'graphs/cpp/cartesian_vector/state_saver.hh')

diff --git a/graphs/cpp/cartesian_vector/state_saver.hh b/graphs/cpp/cartesian_vector/state_saver.hh
new file mode 100644
index 0000000..f52127c
--- /dev/null
+++ b/graphs/cpp/cartesian_vector/state_saver.hh
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <iostream>
+
+class StateSaver
+{
+public:
+    //! constructor should save all flags and precision
+    StateSaver(std::ostream& os);
+    //! destructor should restore all flags and precision
+    ~StateSaver();
+
+private:
+    //! original stream
+    std::ostream& saved_stream_;
+    //! flags of the original stream
+    std::ios_base::fmtflags saved_flags_;
+    //! precision of the original stream
+    std::streamsize saved_precision_;
+};
-- 
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