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// { dg-do compile }
// { dg-require-normal-namespace "" }
// Copyright (C) 2007-2022 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 <string>
#if __cplusplus >= 201103L
# define NOTHROW noexcept
#else
# define NOTHROW
#endif
#if __cplusplus >= 202002L
# define CONSTEXPR constexpr
#else
# define CONSTEXPR
#endif
namespace std {
// lib.char.traits, character traits:
template<class charT>
struct char_traits;
template <> struct char_traits<char>;
template <> struct char_traits<wchar_t>;
_GLIBCXX_BEGIN_NAMESPACE_CXX11
// lib.basic.string, basic_string:
template<class charT, class traits, class Allocator >
class basic_string;
_GLIBCXX_END_NAMESPACE_CXX11
template<class charT, class traits, class Allocator>
CONSTEXPR
basic_string<charT,traits,Allocator>
operator+(const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
CONSTEXPR
basic_string<charT,traits,Allocator>
operator+(const charT* lhs,
const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
CONSTEXPR
basic_string<charT,traits,Allocator>
operator+(charT lhs, const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
CONSTEXPR
basic_string<charT,traits,Allocator>
operator+(const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
template<class charT, class traits, class Allocator>
CONSTEXPR
basic_string<charT,traits,Allocator>
operator+(const basic_string<charT,traits,Allocator>& lhs, charT rhs);
template<class charT, class traits, class Allocator>
CONSTEXPR
bool operator==(const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) NOTHROW;
template<class charT, class traits, class Allocator>
CONSTEXPR
bool operator==(const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
#if __cpp_lib_three_way_comparison
template<class charT, class traits, class Allocator>
constexpr
bool operator<=>(const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) NOTHROW;
template<class charT, class traits, class Allocator>
constexpr
bool operator<=>(const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
#else
template<class charT, class traits, class Allocator>
CONSTEXPR
bool operator==(const charT* lhs,
const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
bool operator!=(const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) NOTHROW;
template<class charT, class traits, class Allocator>
bool operator!=(const charT* lhs,
const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
bool operator!=(const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
template<class charT, class traits, class Allocator>
bool operator< (const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) NOTHROW;
template<class charT, class traits, class Allocator>
bool operator< (const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
template<class charT, class traits, class Allocator>
bool operator< (const charT* lhs,
const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
bool operator> (const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) NOTHROW;
template<class charT, class traits, class Allocator>
bool operator> (const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
template<class charT, class traits, class Allocator>
bool operator> (const charT* lhs,
const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
bool operator<=(const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) NOTHROW;
template<class charT, class traits, class Allocator>
bool operator<=(const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
template<class charT, class traits, class Allocator>
bool operator<=(const charT* lhs,
const basic_string<charT,traits,Allocator>& rhs);
template<class charT, class traits, class Allocator>
bool operator>=(const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) NOTHROW;
template<class charT, class traits, class Allocator>
bool operator>=(const basic_string<charT,traits,Allocator>& lhs,
const charT* rhs);
template<class charT, class traits, class Allocator>
bool operator>=(const charT* lhs,
const basic_string<charT,traits,Allocator>& rhs);
#endif
// lib.string.special:
template<class charT, class traits, class Allocator>
CONSTEXPR
void swap(basic_string<charT,traits,Allocator>& lhs,
basic_string<charT,traits,Allocator>& rhs)
#if __cplusplus >= 201103L
noexcept(noexcept(lhs.swap(rhs)))
#endif
;
template<class charT, class traits, class Allocator>
basic_istream<charT,traits>&
operator>>(basic_istream<charT,traits>& is,
basic_string<charT,traits,Allocator>& str);
template<class charT, class traits, class Allocator>
basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>& os,
const basic_string<charT,traits,Allocator>& str);
template<class charT, class traits, class Allocator>
basic_istream<charT,traits>&
getline(basic_istream<charT,traits>& is,
basic_string<charT,traits,Allocator>& str,
charT delim);
template<class charT, class traits, class Allocator>
basic_istream<charT,traits>&
getline(basic_istream<charT,traits>& is,
basic_string<charT,traits,Allocator>& str);
typedef basic_string<char> string;
typedef basic_string<wchar_t> wstring;
}
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