# persistence/persistent_shared_ptr.hpp

    #ifndef STLPLUS_PERSISTENT_SHARED_PTR
    #define STLPLUS_PERSISTENT_SHARED_PTR
    ////////////////////////////////////////////////////////////////////////////////

    //   Author:    Andy Rushton
    //   Copyright: (c) Southampton University 1999-2004
    //              (c) Andy Rushton           2004 onwards
    //   License:   BSD License, see ../docs/license.html

    //   Persistence of STL shared_ptr

    ////////////////////////////////////////////////////////////////////////////////

    #include "persistence_fixes.hpp"
    #include "persistent_contexts.hpp"
    #include <memory>

    ////////////////////////////////////////////////////////////////////////////////

    namespace stlplus
    {

      // shared_ptr - uses dump/restore_pointer on the contents

      // exceptions: persistent_dump_failed
      template<typename T, typename DE>
      void dump_shared_ptr(dump_context&, const std::shared_ptr<T>& data, DE dump_element);

      // exceptions: persistent_restore_failed
      template<typename T, typename RE>
      void restore_shared_ptr(restore_context&, std::shared_ptr<T>& data, RE restore_element);

      // shared_ptr using the polymorphic callback approach - uses dump/restore_callback on the contents

      // exceptions: persistent_dump_failed
      template<typename T>
      void dump_shared_ptr_callback(dump_context&, const std::shared_ptr<T>& data);

      // exceptions: persistent_restore_failed
      template<typename T>
      void restore_shared_ptr_callback(restore_context&, std::shared_ptr<T>& data);

      // shared_ptr using the interface approach - uses dump/restore_interface on the contents

      // exceptions: persistent_dump_failed
      template<typename T>
      void dump_shared_ptr_interface(dump_context&, const std::shared_ptr<T>& data);

      // exceptions: persistent_restore_failed
      template<typename T>
      void restore_shared_ptr_interface(restore_context&, std::shared_ptr<T>& data);

    } // end namespace stlplus

      ////////////////////////////////////////////////////////////////////////////////
    #include "persistent_shared_ptr.tpp"
    #endif