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_COPY_CONSTRUCTIBLE_H 10 #define _LIBCPP___TYPE_TRAITS_IS_COPY_CONSTRUCTIBLE_H 11 12 #include <__config> 13 #include <__type_traits/add_const.h> 14 #include <__type_traits/add_lvalue_reference.h> 15 #include <__type_traits/integral_constant.h> 16 #include <__type_traits/is_constructible.h> 17 18 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19 # pragma GCC system_header 20 #endif 21 22 _LIBCPP_BEGIN_NAMESPACE_STD 23 24 template <class _Tp> 25 struct _LIBCPP_TEMPLATE_VIS is_copy_constructible 26 : public is_constructible<_Tp, 27 typename add_lvalue_reference<typename add_const<_Tp>::type>::type> {}; 28 29 #if _LIBCPP_STD_VER > 14 30 template <class _Tp> 31 inline constexpr bool is_copy_constructible_v = is_copy_constructible<_Tp>::value; 32 #endif 33 34 _LIBCPP_END_NAMESPACE_STD 35 36 #endif // _LIBCPP___TYPE_TRAITS_IS_COPY_CONSTRUCTIBLE_H 37