immer-set.hpp

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/*
 * This file is part of libkazv.
 * SPDX-FileCopyrightText: 2021-2025 tusooa <tusooa@kazv.moe>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
 
 
#pragma once
 
#include <libkazv-config.hpp>
 
#include <boost/serialization/nvp.hpp>
#include <boost/serialization/split_free.hpp>
 
#include <immer/set.hpp>
#include <immer/set_transient.hpp>
 
namespace boost::serialization
{
 
    template <class Archive, class T, class H, class E, class MP>
    void save(Archive &ar, const immer::set<T, H, E, MP> &s, const unsigned int /* version */)
    {
        auto size = s.size();
        ar << BOOST_SERIALIZATION_NVP(size);
        for (const auto &k : s) {
            ar << k;
        }
    }
 
    template <class Archive, class T, class H, class E, class MP>
    void load(Archive &ar, immer::set<T, H, E, MP> &s, const unsigned int /* version */)
    {
        using TransientT = decltype(s.transient());
        using SizeT = decltype(s.size());
 
        TransientT t{};
 
        SizeT size{};
        ar >> BOOST_SERIALIZATION_NVP(size);
 
        for (auto i = SizeT{}; i < size; ++i) {
            T k;
            ar >> k;
            t.insert(std::move(k));
        }
 
        assert(size == t.size());
        s = t.persistent();
    }
 
    template<class Archive, class T, class H, class E, class MP>
    inline void serialize(Archive &ar, immer::set<T, H, E, MP> &s, const unsigned int version)
    {
        boost::serialization::split_free(ar, s, version);
    }
 
}