xref: /freebsd/contrib/llvm-project/libcxx/include/__utility/piecewise_construct.h (revision ec0ea6efa1ad229d75c394c1a9b9cac33af2b1d3)
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___UTILITY_PIECEWISE_CONSTRUCT_H
10 #define _LIBCPP___UTILITY_PIECEWISE_CONSTRUCT_H
11 
12 #include <__config>
13 
14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15 #pragma GCC system_header
16 #endif
17 
18 _LIBCPP_PUSH_MACROS
19 #include <__undef_macros>
20 
21 _LIBCPP_BEGIN_NAMESPACE_STD
22 
23 struct _LIBCPP_TEMPLATE_VIS piecewise_construct_t { explicit piecewise_construct_t() = default; };
24 #if defined(_LIBCPP_CXX03_LANG) || defined(_LIBCPP_BUILDING_LIBRARY)
25 extern _LIBCPP_EXPORTED_FROM_ABI const piecewise_construct_t piecewise_construct;// = piecewise_construct_t();
26 #else
27 /* _LIBCPP_INLINE_VAR */ constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
28 #endif
29 
30 _LIBCPP_END_NAMESPACE_STD
31 
32 _LIBCPP_POP_MACROS
33 
34 #endif // _LIBCPP___UTILITY_PIECEWISE_CONSTRUCT_H
35