如何使用 boost::unordered_map 的 boost std::vector 序列化/反序列化

Question

How to serialize/deserialize with boost std::vector of boost::unordered_map like

vector<boost::unordered_map<uint64_t, Person* > *> town;

which represents town. All pointers are row on heap created with new. Is possible to deserialize on easy way without refactoring code to use shared_ptr ? Person also has function also

template<class Archive>
void serialize(Archive & archive, const unsigned int version){
...
}

Answer 1

unordered_* are not yet supported in Boost Serialization.

Either add the support or use the (deprecated) GCC hash_* containers

A sample of how to add support is in this answer of mine: C++ Boost.Serialization error for hash_map with custom objects as key

Answer 2

Boost has already supported the unordered_set and unordered_map since the version 1.5.6. You can just include the header file.

#include <boost/serialization/unordered_map.hpp>
#include <boost/serialization/unordered_set.hpp>