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// { dg-do compile }
// { dg-require-normal-namespace "" }
// Copyright (C) 2007-2024 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <memory>
#if __cplusplus >= 201103L
# define NOTHROW noexcept
#else
# define NOTHROW
#endif
namespace std
{
#if __cplusplus >= 201103L
template<class Ptr> struct pointer_traits;
template<class T> struct pointer_traits<T*>;
void* align(size_t alignment, size_t size, void*& ptr, size_t& space) noexcept;
struct allocator_arg_t;
extern const allocator_arg_t allocator_arg;
template<class T, class Alloc> struct uses_allocator;
template<class Alloc> struct allocator_traits;
#endif // C++11
#if __STDC_HOSTED__
// lib.default.allocator, the default allocator:
template <class T> class allocator;
#if __cplusplus >= 202002L
template <class T, class U>
constexpr bool operator==(const allocator<T>&, const allocator<U>&) throw();
#else
template <> class allocator<void>;
template <class T, class U>
bool operator==(const allocator<T>&, const allocator<U>&) throw();
template <class T, class U>
bool operator!=(const allocator<T>&, const allocator<U>&) throw();
#endif
// lib.storage.iterator, raw storage iterator:
template <class OutputIterator, class T> class raw_storage_iterator;
// lib.temporary.buffer, temporary buffers:
template <class T>
pair<T*,ptrdiff_t> get_temporary_buffer(ptrdiff_t n) NOTHROW;
template <class T>
void return_temporary_buffer(T* p);
#endif // HOSTED
// lib.specialized.algorithms, specialized algorithms:
#if __cplusplus >= 201703L
template <class T> constexpr T* addressof(T&) noexcept;
#elif __cplusplus >= 201402L
template <class T> T* addressof(T&) noexcept;
#endif
template <class InputIterator, class ForwardIterator>
ForwardIterator
uninitialized_copy(InputIterator first, InputIterator last,
ForwardIterator result);
#if __cplusplus >= 201103L
template <class InputIterator, class Size, class ForwardIterator>
ForwardIterator
uninitialized_copy_n(InputIterator first, Size n, ForwardIterator result);
#endif
template <class ForwardIterator, class T>
void uninitialized_fill(ForwardIterator first, ForwardIterator last,
const T& x);
template <class ForwardIterator, class Size, class T>
void uninitialized_fill_n(ForwardIterator first, Size n, const T& x);
#if __cplusplus >= 201103L
template<class T> class default_delete;
template<class T> class default_delete<T[]>;
template<class T, class D> class unique_ptr;
template<class T, class D> class unique_ptr<T[], D>;
template<class T, class D>
void swap(unique_ptr<T, D>&, unique_ptr<T, D>&) noexcept;
#if __cplusplus >= 201402L
template<class T, class... Args> unique_ptr<T> make_unique(Args&&...);
#endif
class bad_weak_ptr;
template<class T> class shared_ptr;
template<class T, class... Args> shared_ptr<T> make_shared(Args&&... args);
template<class T, class A, class... Args>
shared_ptr<T> allocate_shared(const A& a, Args&&... args);
template<class T> void swap(shared_ptr<T>&, shared_ptr<T>&) noexcept;
template<class T> class weak_ptr;
template<class T> void swap(weak_ptr<T>&, weak_ptr<T>&) noexcept;
template<class T> class owner_less;
template<class T> class enable_shared_from_this;
template<class T, class D> struct hash<unique_ptr<T, D>>;
template<class T> struct hash<shared_ptr<T>>;
#endif
// lib.auto.ptr, pointers:
template<class X> class auto_ptr;
}
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