[Boost-users] [serialization] Serializing derived template class via base pointer

Subject: [Boost-users] [serialization] Serializing derived template class via base pointer
From: Daniel Mitchell (dlm.bulk.messages_at_[hidden])
Date: 2013-01-17 14:12:33

Hi everyone, has any progress has been made on a general solution for this problem? Given classes like these,

struct base {
  template<typename Archive>
  void serialize(Archive& ar, unsigned version) { }
  virtual ~base() = default;
};

template<typename T>
struct derived : base {
  template<typename Archive>
  void serialize(Archive& ar, unsigned version) { ar & data; }
  T data;
};

is it possible to serialize the derived type (with T unknown) via a base pointer? Sticking a call to register_type<derived> in derived::serialize doesn't seem to do it.