From 5b26c7d85a4854790952f2baae8cb9644245be8d Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 16 Nov 2025 16:12:04 +0300
Subject: [PATCH] add missing '#pragma once'

---
 src/io/deflate_ostream.hpp     | 2 ++
 src/io/devices/StdfsDevice.hpp | 2 ++
 src/io/memory_ostream.hpp      | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/src/io/deflate_ostream.hpp b/src/io/deflate_ostream.hpp
index 396788435..a029e0217 100644
--- a/src/io/deflate_ostream.hpp
+++ b/src/io/deflate_ostream.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <iostream>
 #include <streambuf>
 #include <memory>
diff --git a/src/io/devices/StdfsDevice.hpp b/src/io/devices/StdfsDevice.hpp
index 69b12234e..677cad25b 100644
--- a/src/io/devices/StdfsDevice.hpp
+++ b/src/io/devices/StdfsDevice.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include "Device.hpp"
 
 namespace io {
diff --git a/src/io/memory_ostream.hpp b/src/io/memory_ostream.hpp
index d88497048..3ff14a994 100644
--- a/src/io/memory_ostream.hpp
+++ b/src/io/memory_ostream.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <iostream>
 #include <streambuf>
 #include <cstring>