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//===----------------------------------------------------------------------===//
//
// 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___CXX03___FWD_STRING_H
#define _LIBCPP___CXX03___FWD_STRING_H
#include <__cxx03/__config>
#include <__cxx03/__fwd/memory.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _CharT>
struct _LIBCPP_TEMPLATE_VIS char_traits;
template <>
struct char_traits<char>;
#ifndef _LIBCPP_HAS_NO_CHAR8_T
template <>
struct char_traits<char8_t>;
#endif
template <>
struct char_traits<char16_t>;
template <>
struct char_traits<char32_t>;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
struct char_traits<wchar_t>;
#endif
template <class _CharT, class _Traits = char_traits<_CharT>, class _Allocator = allocator<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_string;
using string = basic_string<char>;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using wstring = basic_string<wchar_t>;
#endif
#ifndef _LIBCPP_HAS_NO_CHAR8_T
using u8string = basic_string<char8_t>;
#endif
using u16string = basic_string<char16_t>;
using u32string = basic_string<char32_t>;
// clang-format off
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_PREFERRED_NAME(string)
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
_LIBCPP_PREFERRED_NAME(wstring)
#endif
#ifndef _LIBCPP_HAS_NO_CHAR8_T
_LIBCPP_PREFERRED_NAME(u8string)
#endif
_LIBCPP_PREFERRED_NAME(u16string)
_LIBCPP_PREFERRED_NAME(u32string)
basic_string;
// clang-format on
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CXX03___FWD_STRING_H
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