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#ifndef  BOOST_SERIALIZATION_UNORDERED_SET_HPP
#define BOOST_SERIALIZATION_UNORDERED_SET_HPP

// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif

/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// unordered_set.hpp: serialization for stl unordered_set templates

// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
// (C) Copyright 2014 Jim Bell
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org for updates, documentation, and revision history.

#include <boost/config.hpp>

#include <unordered_set>

#include <boost/serialization/unordered_collections_save_imp.hpp>
#include <boost/serialization/unordered_collections_load_imp.hpp>
#include <boost/serialization/split_free.hpp>

namespace boost { 
namespace serialization {

namespace stl {

// unordered_set input
template<class Archive, class Container>
struct archive_input_unordered_set
{
    inline void operator()(
        Archive &ar, 
        Container &s, 
        const unsigned int v
    ){
        typedef typename Container::value_type type;
        detail::stack_construct<Archive, type> t(ar, v);
        // borland fails silently w/o full namespace
        ar >> boost::serialization::make_nvp("item", t.reference());
        std::pair<typename Container::const_iterator, bool> result = 
            s.insert(t.reference());
        if(result.second)
            ar.reset_object_address(& (* result.first), & t.reference());
    }
};

// unordered_multiset input
template<class Archive, class Container>
struct archive_input_unordered_multiset
{
    inline void operator()(
        Archive &ar, 
        Container &s, 
        const unsigned int v
    ){
        typedef typename Container::value_type type;
        detail::stack_construct<Archive, type> t(ar, v);
        // borland fails silently w/o full namespace
        ar >> boost::serialization::make_nvp("item", t.reference());
        typename Container::const_iterator result 
            = s.insert(t.reference());
        ar.reset_object_address(& (* result), & t.reference());
    }
};

} // stl

template<
    class Archive, 
    class Key, 
    class HashFcn, 
    class EqualKey,
    class Allocator
>
inline void save(
    Archive & ar,
    const std::unordered_set<
        Key, HashFcn, EqualKey, Allocator
    > &t,
    const unsigned int /*file_version*/
){
    boost::serialization::stl::save_unordered_collection<
        Archive, 
        std::unordered_set<
            Key, HashFcn, EqualKey, Allocator
        > 
    >(ar, t);
}

template<
    class Archive, 
    class Key, 
    class HashFcn, 
    class EqualKey,
    class Allocator
>
inline void load(
    Archive & ar,
    std::unordered_set<
        Key, HashFcn, EqualKey, Allocator
    > &t,
    const unsigned int /*file_version*/
){
    boost::serialization::stl::load_unordered_collection<
        Archive,
        std::unordered_set<
            Key, HashFcn, EqualKey, Allocator
        >,
        boost::serialization::stl::archive_input_unordered_set<
            Archive, 
            std::unordered_set<
                Key, HashFcn, EqualKey, Allocator
            >
        >
    >(ar, t);
}

// split non-intrusive serialization function member into separate
// non intrusive save/load member functions
template<
    class Archive, 
    class Key, 
    class HashFcn, 
    class EqualKey,
    class Allocator
>
inline void serialize(
    Archive & ar,
    std::unordered_set<
        Key, HashFcn, EqualKey, Allocator
    > &t,
    const unsigned int file_version
){
    boost::serialization::split_free(ar, t, file_version);
}

// unordered_multiset
template<
    class Archive, 
    class Key, 
    class HashFcn, 
    class EqualKey,
    class Allocator
>
inline void save(
    Archive & ar,
    const std::unordered_multiset<
        Key, HashFcn, EqualKey, Allocator
    > &t,
    const unsigned int /*file_version*/
){
    boost::serialization::stl::save_unordered_collection<
        Archive, 
        std::unordered_multiset<
            Key, HashFcn, EqualKey, Allocator
        > 
    >(ar, t);
}

template<
    class Archive, 
    class Key, 
    class HashFcn, 
    class EqualKey,
    class Allocator
>
inline void load(
    Archive & ar,
    std::unordered_multiset<
        Key, HashFcn, EqualKey, Allocator
    > &t,
    const unsigned int /*file_version*/
){
    boost::serialization::stl::load_unordered_collection<
        Archive,
        std::unordered_multiset<
            Key, HashFcn, EqualKey, Allocator
        >,
        boost::serialization::stl::archive_input_unordered_multiset<
            Archive,
            std::unordered_multiset<
                Key, HashFcn, EqualKey, Allocator
            > 
        >
    >(ar, t);
}

// split non-intrusive serialization function member into separate
// non intrusive save/load member functions
template<
    class Archive, 
    class Key, 
    class HashFcn, 
    class EqualKey,
    class Allocator
>
inline void serialize(
    Archive & ar,
    std::unordered_multiset<
        Key, HashFcn, EqualKey, Allocator
    > &t,
    const unsigned int file_version
){
    boost::serialization::split_free(ar, t, file_version);
}

} // namespace serialization
} // namespace boost

#endif // BOOST_SERIALIZATION_UNORDERED_SET_HPP