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-rw-r--r--src/common/Utilities/advstd.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/common/Utilities/advstd.h b/src/common/Utilities/advstd.h
index 47261837272..42cddf8501a 100644
--- a/src/common/Utilities/advstd.h
+++ b/src/common/Utilities/advstd.h
@@ -54,12 +54,14 @@ template <typename To, typename From,
// std::ranges::contains
#include <algorithm>
+#ifndef __cpp_lib_ranges_contains
+#include <functional> // for std::ranges::equal_to, std::identity
+#include <iterator> // for std::input_iterator, std::sentinel_for, std::projected
+#endif
namespace advstd::ranges
{
#ifndef __cpp_lib_ranges_contains
-#include <functional> // for std::ranges::equal_to, std::identity
-#include <iterator> // for std::input_iterator, std::sentinel_for, std::projected
struct Contains
{
template<std::input_iterator I, std::sentinel_for<I> S, class T, class Proj = std::identity>