Very simple naive any implementation type_info is not used. example: http://melpon.org/wandbox/permlink/cMPCv62OOcJFUOZZ

naive_any.hpp

#pragma once

#include <memory>
#include <utility>
#include <functional>
#include <type_traits>

struct naive_any
{
    template <typename T>
    naive_any(T&& val) :
        holder_(new typename std::decay<T>::type(std::forward<typename std::decay<T>::type>(val)),
                [](void* ptr) { delete static_cast<typename std::decay<T>::type*>(ptr); })
    {
    }
    
    void* get()
    {
        return holder_.get();
    }

private:
    std::unique_ptr<void, std::function<void(void*)>> holder_;
};