// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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_EXPERIMENTAL_STRING
#define _LIBCPP_EXPERIMENTAL_STRING

/*
    experimental/string synopsis

// C++1z
namespace std {
namespace experimental {
inline namespace fundamentals_v1 {
namespace pmr {

  // basic_string using polymorphic allocator in namespace pmr
  template <class charT, class traits = char_traits<charT>>
   using basic_string =
     std::basic_string<charT, traits, polymorphic_allocator<charT>>;

  // basic_string typedef names using polymorphic allocator in namespace
  // std::experimental::pmr
  typedef basic_string<char> string;
  typedef basic_string<char16_t> u16string;
  typedef basic_string<char32_t> u32string;
  typedef basic_string<wchar_t> wstring;

} // namespace pmr
} // namespace fundamentals_v1
} // namespace experimental
} // namespace std

 */

#include <__assert> // all public C++ headers provide the assertion handler
#include <experimental/__config>
#include <experimental/memory_resource>
#include <string>

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

_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR

#ifndef _LIBCPP_CXX03_LANG

_LIBCPP_SUPPRESS_DEPRECATED_PUSH

template <class _CharT, class _Traits = char_traits<_CharT>>
using basic_string =
    _VSTD::basic_string<_CharT, _Traits, polymorphic_allocator<_CharT>>;

_LIBCPP_DEPCREATED_MEMORY_RESOURCE("string") typedef basic_string<char> string;
_LIBCPP_DEPCREATED_MEMORY_RESOURCE("u16string") typedef basic_string<char16_t> u16string;
_LIBCPP_DEPCREATED_MEMORY_RESOURCE("u32string") typedef basic_string<char32_t> u32string;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
_LIBCPP_DEPCREATED_MEMORY_RESOURCE("wstring") typedef basic_string<wchar_t> wstring;
#endif

_LIBCPP_SUPPRESS_DEPRECATED_POP

#endif // _LIBCPP_CXX03_LANG

_LIBCPP_END_NAMESPACE_LFTS_PMR

#endif /* _LIBCPP_EXPERIMENTAL_STRING */