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-rw-r--r--src/core/utils/string.hh9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/core/utils/string.hh b/src/core/utils/string.hh
index 827c3ca..36c83ce 100644
--- a/src/core/utils/string.hh
+++ b/src/core/utils/string.hh
@@ -1,3 +1,10 @@
+// SPDX-License-Identifier: BSD-2-Clause
+// Copyright (c) 2025 Kirill Dmitrievich
+// File: string.hh
+// Description: String utilities
+
+#ifndef CORE_UTILS_STRING_HH
+#define CORE_UTILS_STRING_HH
#pragma once
namespace utils
@@ -15,3 +22,5 @@ namespace utils
{
std::string trim_whitespace(const std::string& string);
} // namespace utils
+
+#endif