uses_allocator_construction.h | Explore in Territory

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP___MEMORY_USES_ALLOCATOR_CONSTRUCTION_H
#define _LIBCPP___MEMORY_USES_ALLOCATOR_CONSTRUCTION_H

#include <__config>
#include <__memory/construct_at.h>
#include <__memory/uses_allocator.h>
#include <__tuple/tuple_like_no_subrange.h>
#include <__type_traits/enable_if.h>
#include <__type_traits/is_same.h>
#include <__type_traits/remove_cv.h>
#include <__utility/declval.h>
#include <__utility/pair.h>
#include <tuple>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

_LIBCPP_PUSH_MACROS
#include <__undef_macros>

_LIBCPP_BEGIN_NAMESPACE_STD

#if _LIBCPP_STD_VER >= 17

__is_std_pair;

__is_std_pair;

__is_cv_std_pair;

template <class _Tp, class = void>
struct __uses_allocator_construction_args;

namespace __uses_allocator_detail {

template <class _Ap, class _Bp>
void __fun(const pair<_Ap, _Bp>&);

template <class _Tp>
decltype(__uses_allocator_detail::__fun(std::declval<_Tp>()), true_type()) __convertible_to_const_pair_ref_impl(int);

template <class>
false_type __convertible_to_const_pair_ref_impl(...);

__convertible_to_const_pair_ref;

#  if _LIBCPP_STD_VER >= 23
template <class _Tp, class _Up>
inline constexpr bool __uses_allocator_constraints =
    __is_cv_std_pair<_Tp> && !__pair_like_no_subrange<_Up> && !__convertible_to_const_pair_ref<_Up>;
#  else
__uses_allocator_constraints;
#  endif

} // namespace __uses_allocator_detail

template <class _Type, class _Alloc, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr _Type __make_obj_using_allocator(const _Alloc& __alloc, _Args&&... __args);

__uses_allocator_construction_args<_Pair, __enable_if_t<__is_cv_std_pair<_Pair>>>;

__uses_allocator_construction_args<_Type, __enable_if_t<!__is_cv_std_pair<_Type>>>;

template <class _Type, class _Alloc, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr _Type __make_obj_using_allocator(const _Alloc& __alloc, _Args&&... __args) { … }

template <class _Type, class _Alloc, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr _Type*
__uninitialized_construct_using_allocator(_Type* __ptr, const _Alloc& __alloc, _Args&&... __args) { … }

#endif // _LIBCPP_STD_VER >= 17

#if _LIBCPP_STD_VER >= 20

template <class _Type, class _Alloc, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr auto uses_allocator_construction_args(const _Alloc& __alloc, _Args&&... __args) noexcept
    -> decltype(__uses_allocator_construction_args<_Type>::__apply(__alloc, std::forward<_Args>(__args)...)) { … }

template <class _Type, class _Alloc, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr auto make_obj_using_allocator(const _Alloc& __alloc, _Args&&... __args)
    -> decltype(std::__make_obj_using_allocator<_Type>(__alloc, std::forward<_Args>(__args)...)) { … }

template <class _Type, class _Alloc, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr auto
uninitialized_construct_using_allocator(_Type* __ptr, const _Alloc& __alloc, _Args&&... __args)
    -> decltype(std::__uninitialized_construct_using_allocator(__ptr, __alloc, std::forward<_Args>(__args)...)) { … }

#endif // _LIBCPP_STD_VER >= 20

_LIBCPP_END_NAMESPACE_STD

_LIBCPP_POP_MACROS

#endif // _LIBCPP___MEMORY_USES_ALLOCATOR_CONSTRUCTION_H
chromium/third_party/libc++/src/include/__memory/uses_allocator_construction.h
