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/******************************************************************************\

* ___ __ *

* /\_ \ __/\ \ *

* \//\ \ /\_\ \ \____ ___ _____ _____ __ *

* \ \ \ \/\ \ \ '__`\ /'___\/\ '__`\/\ '__`\ /'__`\ *

* \_\ \_\ \ \ \ \L\ \/\ \__/\ \ \L\ \ \ \L\ \/\ \L\.\_ *

* /\____\\ \_\ \_,__/\ \____\\ \ ,__/\ \ ,__/\ \__/.\_\ *

* \/____/ \/_/\/___/ \/____/ \ \ \/ \ \ \/ \/__/\/_/ *

* \ \_\ \ \_\ *

* \/_/ \/_/ *

* *

* Copyright (C) 2011-2013 *

* Dominik Charousset <dominik.charousset@haw-hamburg.de> *

* *

* This file is part of libcppa. *

* libcppa is free software: you can redistribute it and/or modify it under *

* the terms of the GNU Lesser General Public License as published by the *

* Free Software Foundation; either version 2.1 of the License, *

* or (at your option) any later version. *

* *

* libcppa 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 Lesser General Public License for more details. *

* *

* You should have received a copy of the GNU Lesser General Public License *

* along with libcppa. If not, see <http://www.gnu.org/licenses/>. *

\******************************************************************************/

#include <stdexcept>

#include "cppa/detail/empty_tuple.hpp"

namespace cppa { namespace detail {

empty_tuple::empty_tuple() : super(false) { }

size_t empty_tuple::size() const {

return 0;

}

void* empty_tuple::mutable_at(size_t) {

throw std::range_error("empty_tuple::mutable_at()");

}

abstract_tuple* empty_tuple::copy() const {

return new empty_tuple;

}

const void* empty_tuple::at(size_t) const {

throw std::range_error("empty_tuple::at()");

}

const uniform_type_info* empty_tuple::type_at(size_t) const {

throw std::range_error("empty_tuple::type_at()");

}

bool empty_tuple::equals(const abstract_tuple& other) const {

return other.size() == 0;

}

const std::type_info* empty_tuple::type_token() const {

return &typeid(util::empty_type_list);

}

const std::string* empty_tuple::tuple_type_names() const {

static std::string result = "@<>";

return &result;

}

} } // namespace cppa::detail