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Diffstat (limited to 'libcxx/include/__algorithm/set_difference.h')
-rw-r--r--libcxx/include/__algorithm/set_difference.h11
1 files changed, 2 insertions, 9 deletions
diff --git a/libcxx/include/__algorithm/set_difference.h b/libcxx/include/__algorithm/set_difference.h
index cffdc8fc4fc0..26a300092c91 100644
--- a/libcxx/include/__algorithm/set_difference.h
+++ b/libcxx/include/__algorithm/set_difference.h
@@ -17,9 +17,9 @@
#include <__functional/identity.h>
#include <__functional/invoke.h>
#include <__iterator/iterator_traits.h>
+#include <__type_traits/remove_cvref.h>
#include <__utility/move.h>
#include <__utility/pair.h>
-#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
@@ -66,14 +66,7 @@ inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator set_d
_InputIterator2 __first2,
_InputIterator2 __last2,
_OutputIterator __result) {
- return std::__set_difference<_ClassicAlgPolicy>(
- __first1,
- __last1,
- __first2,
- __last2,
- __result,
- __less<typename iterator_traits<_InputIterator1>::value_type,
- typename iterator_traits<_InputIterator2>::value_type>()).second;
+ return std::__set_difference<_ClassicAlgPolicy>(__first1, __last1, __first2, __last2, __result, __less<>()).second;
}
_LIBCPP_END_NAMESPACE_STD