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root/uspace/lib/cpp/include/__bits/typeindex.hpp

/*
 * Copyright (c) 2018 Jaroslav Jindrak
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef LIBCPP_BITS_TYPE_INDEX
#define LIBCPP_BITS_TYPE_INDEX

#include <cstdlib>
#include <typeinfo>

namespace std
{

    /**
     * 20.14.2, type_index:
     */

    class type_index
    {
        public:
            type_index(const type_info& rhs) noexcept;

            bool operator==(const type_index& rhs) const noexcept;

            bool operator!=(const type_index& rhs) const noexcept;

            bool operator<(const type_index& rhs) const noexcept;

            bool operator<=(const type_index& rhs) const noexcept;

            bool operator>(const type_index& rhs) const noexcept;

            bool operator>=(const type_index& rhs) const noexcept;

            size_t hash_code() const noexcept;

            const char* name() const noexcept;

        private:
            const type_info* target_;
    };

    template<class T>
    struct hash;

    // TODO: implement
    template<>
    struct hash<type_index>;
}

#endif