cereal_save.cpp

template<class Archive>
void CSGObject::cereal_save(Archive& ar) const
{
	int y = 0;
	for (auto it = self->map.begin(); it != self->map.end(); ++it, ++y)
	{
		std::cerr << "num. " << y << std::endl;
		ar(it->second);
	}
}

result

[ RUN      ] Cereal.Json_SGObject_save_load_pair
enum 1
enum 2
enum 4
enum 1
enum 2
enum 4
num. 0
[ERROR] In file /Users/zora/Github/shogun/src/shogun/lib/any.h line 279: Type error: undefined data type
unknown file: Failure

self.cpp

#ifdef HAVE_CXX11
	typedef std::unordered_map<BaseTag, Any> ParametersMap;
#else
	typedef std::map<BaseTag, Any> ParametersMap;
#endif

	class CSGObject::Self
	{
	public:
		void set(const BaseTag& tag, const Any& any)
		{
			map[tag] = any;
		}

		Any get(const BaseTag& tag) const
		{
			if(!has(tag))
				return Any();
			return map.at(tag);
		}

		bool has(const BaseTag& tag) const
		{
			return map.find(tag) != map.end();
		}

		ParametersMap map;
	};