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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_COMPOUND_H 10 #define _LIBCPP___TYPE_TRAITS_IS_COMPOUND_H 11 12 #include <__config> 13 #include <__type_traits/integral_constant.h> 14 #include <__type_traits/is_fundamental.h> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 _LIBCPP_BEGIN_NAMESPACE_STD 21 22 #if __has_builtin(__is_compound) 23 24 template <class _Tp> 25 struct _LIBCPP_NO_SPECIALIZATIONS is_compound : _BoolConstant<__is_compound(_Tp)> {}; 26 27 # if _LIBCPP_STD_VER >= 17 28 template <class _Tp> 29 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_compound_v = __is_compound(_Tp); 30 # endif 31 32 #else // __has_builtin(__is_compound) 33 34 template <class _Tp> 35 struct is_compound : public integral_constant<bool, !is_fundamental<_Tp>::value> {}; 36 37 # if _LIBCPP_STD_VER >= 17 38 template <class _Tp> 39 inline constexpr bool is_compound_v = is_compound<_Tp>::value; 40 # endif 41 42 #endif // __has_builtin(__is_compound) 43 44 _LIBCPP_END_NAMESPACE_STD 45 46 #endif // _LIBCPP___TYPE_TRAITS_IS_COMPOUND_H