diff options
Diffstat (limited to 'libcxx/include/__utility/exchange.h')
| -rw-r--r-- | libcxx/include/__utility/exchange.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libcxx/include/__utility/exchange.h b/libcxx/include/__utility/exchange.h index d9b3c151755f..8df71a17b1c0 100644 --- a/libcxx/include/__utility/exchange.h +++ b/libcxx/include/__utility/exchange.h @@ -10,9 +10,10 @@ #define _LIBCPP___UTILITY_EXCHANGE_H #include <__config> +#include <__type_traits/is_nothrow_assignable.h> +#include <__type_traits/is_nothrow_move_constructible.h> #include <__utility/forward.h> #include <__utility/move.h> -#include <type_traits> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header @@ -22,7 +23,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD #if _LIBCPP_STD_VER > 11 template<class _T1, class _T2 = _T1> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 _T1 exchange(_T1& __obj, _T2&& __new_value) noexcept(is_nothrow_move_constructible<_T1>::value && is_nothrow_assignable<_T1&, _T2>::value) { |