1fe6060f1SDimitry Andric // -*- C++ -*- 2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 3fe6060f1SDimitry Andric // 4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7fe6060f1SDimitry Andric // 8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric #ifndef _LIBCPP___FUNCTIONAL_IS_TRANSPARENT 11fe6060f1SDimitry Andric #define _LIBCPP___FUNCTIONAL_IS_TRANSPARENT 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 1406c3fb27SDimitry Andric #include <__type_traits/void_t.h> 15fe6060f1SDimitry Andric 16fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17fe6060f1SDimitry Andric # pragma GCC system_header 18fe6060f1SDimitry Andric #endif 19fe6060f1SDimitry Andric 20fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 21fe6060f1SDimitry Andric 2206c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 14 23fe6060f1SDimitry Andric 24fe6060f1SDimitry Andric template <class _Tp, class, class = void> 25*0fca6ea1SDimitry Andric inline const bool __is_transparent_v = false; 26fe6060f1SDimitry Andric 27fe6060f1SDimitry Andric template <class _Tp, class _Up> 28*0fca6ea1SDimitry Andric inline const bool __is_transparent_v<_Tp, _Up, __void_t<typename _Tp::is_transparent> > = true; 29fe6060f1SDimitry Andric 30fe6060f1SDimitry Andric #endif 31fe6060f1SDimitry Andric 32fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 33fe6060f1SDimitry Andric 34fe6060f1SDimitry Andric #endif // _LIBCPP___FUNCTIONAL_IS_TRANSPARENT 35