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