// { dg-do compile { target c++11 } }
// { dg-timeout-factor 2 }

//
// 2010-02-17  Stephen M. Webb <stephen.webb@bregmasoft.ca>
//
// Copyright (C) 2010-2022 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/>.

// 28.3 Requirements [re.req]
// 28.2 (4) Table 127 - Regular expression traits class requirements

#include <regex>

void
test01()
{
  typedef std::regex_traits<char> traits;

  typedef traits::char_type       char_type;
  typedef traits::string_type     string_type;
  typedef traits::locale_type     locale_type;
  typedef traits::char_class_type char_class_type;
}
