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-rw-r--r--Utilities/std/cm/string5
1 files changed, 1 insertions, 4 deletions
diff --git a/Utilities/std/cm/string b/Utilities/std/cm/string
index cc4c796893..30b1b8565f 100644
--- a/Utilities/std/cm/string
+++ b/Utilities/std/cm/string
@@ -3,8 +3,7 @@
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
-#ifndef cm_string
-#define cm_string
+#pragma once
#include <algorithm>
#include <string> // IWYU pragma: export
@@ -38,5 +37,3 @@ inline void erase_if(std::basic_string<T, Traits, Allocator>& cont,
#endif
} // namespace cm
-
-#endif