#pragma once
#include <vector>
#include <memory>
#include "Object.h"

using namespace std;

class ObjectList
{
public:
	ObjectList(){}
	~ObjectList(){}
	template<typename T> void Add(T object);
	template<typename T> T Get(int index);
	int Size() { return objectList.size(); }
private:
	vector<shared_ptr<_Object>> objectList;
};

template<typename T> void ObjectList::Add(T object) {
	objectList.push_back(make_shared<Object<T>>(object));
}

template<typename T> T Get(int index){
	if (index < (Size() - 1))
	{
		return;
	}
	shared_ptr<_Object> content = objectList[index];
	shared_ptr<Object<T>> temp = static_pointer_cast<Object<T>>(content);
	return temp->GetValue();
}

ObjectList objl;
objl.Add<int>(123);
auto a = objl.Get<int>(0);

error LNK2019: unresolved external symbol "public: int __thiscall ObjectList::Get<int>(int)" (??$Get@H@ObjectList@@QAEHH@Z) referenced in function "public:.....