1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___TYPE_TRAITS_IS_LITERAL_TYPE 10 #define _LIBCPP___TYPE_TRAITS_IS_LITERAL_TYPE 11 12 #include <__config> 13 #include <__type_traits/integral_constant.h> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 # pragma GCC system_header 17 #endif 18 19 _LIBCPP_BEGIN_NAMESPACE_STD 20 21 #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS) 22 template <class _Tp> 23 struct _LIBCPP_TEMPLATE_VIS 24 _LIBCPP_DEPRECATED_IN_CXX17 is_literal_type : public integral_constant<bool, __is_literal_type(_Tp)> {}; 25 26 # if _LIBCPP_STD_VER >= 17 27 template <class _Tp> 28 _LIBCPP_DEPRECATED_IN_CXX17 inline constexpr bool is_literal_type_v = __is_literal_type(_Tp); 29 # endif // _LIBCPP_STD_VER >= 17 30 #endif // _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS) 31 32 _LIBCPP_END_NAMESPACE_STD 33 34 #endif // _LIBCPP___TYPE_TRAITS_IS_LITERAL_TYPE 35