please make analyse to the following cpp header:
```cpp
#pragma once
#include"meta_object_traits.hpp"
#include"offset_pointer.hpp"
#include <array>


using namespace offset_pointer;
using namespace meta_typelist;
using namespace list_common_object;

//crash when try to double delete the allocate memory
#define not_null (unsigned char*)(0x66)


//friend function to copy from a custom class
template<class structT, class AMF>
inline void copy_struct(AMF& amf, structT&& s);

template<class T> concept is_functor = requires{
    &T::operator();
};

//we don't save the function itself but just a type to generate the destructor
//so it must be a functor but not a function pointer
template<class T> constexpr bool is_functor_v = is_functor<T> && !std::is_function_v<T>;

template<std::size_t ...I> constexpr std::array<std::size_t, sizeof...(I)> meta_array_to_array(meta_array<I...>) {
    return { I... };
}

//tool for alignment calculate
struct make_align
{
    template<class this_align, class T> using apply = std::conditional_t<
        (alignof(T) > this_align::value), Idx<alignof(T)>, this_align>;
};

using align_calc_ostream = meta_object<Idx<0>, make_align>;

template<class TL> using decl_align_t = meta_all_transfer<
    align_calc_ostream,
    meta_istream<TL>
>::to::type;

template<class...Args>
constexpr std::size_t decl_align = decl_align_t<exp_list<Args...>>::value;



namespace align_memory_helper {

#define CREATE_BASIC_OPERATOR(R, T, OP) \
        template<class T> R operator##OP##(T const& value) {\
        R result{};\
        transform([&result](auto& inner, auto const& value) {result = inner OP value;}, value);\
        return result;\
    }\

    template<class TL> struct to_offset_vector;
    template<template<class...> class TL, class...Typs> struct to_offset_vector<TL<Typs...>> {
        using type = offset_vector<decl_align<Typs...>, Typs...>;
        using meta_offset_array = decltype(type::offset_array(meta_to_array<meta_iota<sizeof...(Typs) - 1>>{}));
    };
    template<class looper> struct get_looper_stream;
    template<std::size_t N, class MO_ISTREAM, class MO_OSTREAM>
    struct get_looper_stream<while_constexpr<meta_stream_o<N, MO_OSTREAM, MO_ISTREAM>>>{
        using stream_type = MO_ISTREAM;
        using type_list = typename stream_type::type;
        using v_offsets = to_offset_vector<type_list>;
        static constexpr std::size_t times = exp_size<type_list>;
    };

    template<class type_check_looper> class align_memory_dynamic_location {
    private:
        unsigned char* base_ptr;
        std::size_t index;
        std::size_t offset;

    public:
        align_memory_dynamic_location(unsigned char* ptr, std::size_t idx, std::size_t off) noexcept
            :
            base_ptr(ptr),
            index(idx),
            offset(off)
        {}
        void* get()const {
            return (void*)(base_ptr + offset);
        }
        //define template for two-argument-like operations
        //type check, but allow std::ostream to pass it to apply output operation
        template<class F, class T> void transform(F&& f, T && value) {
            std::size_t recursion_count{ 0 };
            type_check_looper{}.for_each([&recursion_count, &f, this]<class types_mso>(T && value) {
                if (recursion_count == this->index) {
                    if constexpr (std::is_convertible_v<T, stream_final_t<types_mso>>|
                        std::is_same_v<std::remove_reference_t<T>, std::ostream>) {
                        std::invoke(f, read_from_align_offset<unsigned char, 
                            stream_final_t<types_mso>>(this->base_ptr, this->offset), std::forward<T>(value));
                    }
                    else {
                        throw std::invalid_argument("Type mismatch: Cannot do this operation to this location.");
                    }
                }
                ++recursion_count;
            }, value);
        }

        template<class T> align_memory_dynamic_location& operator =(T const& value) {
            transform([](auto& inner, auto const& value) {inner = value; }, value);
            return *this;
        }

        template<class T> T& operator >>(T & y) {
            transform([](auto& inner, auto & y) {y = inner; }, y);
            return y;
        }
        //to support C++ 11 'for' statement
        align_memory_dynamic_location& operator++() {
            using looper_meta_info = get_looper_stream<type_check_looper>;
            if (index == looper_meta_info::times) { 
                throw std::out_of_range("Error: location index overflow!"); }
            using meta_array_type = typename looper_meta_info::v_offsets::meta_offset_array;
            constexpr auto offset_array_set = meta_array_to_array(meta_array_type{});

            index += 1, offset = offset_array_set[index >= looper_meta_info::times? index - 1 : index];
            return *this;
        }
        //to support C++ 11 'for' statement
        bool operator !=(const align_memory_dynamic_location& cmp) {
            if (base_ptr != cmp.base_ptr) {
                throw std::invalid_argument("Error: can not compare locations from two different align_memory_field");
            }
            return index != cmp.index;
        }
        //to support C++ 11 'for' statement
        align_memory_dynamic_location& operator*() {
            return (*this);
        }

        //compared type must be one of the types in align_memory_field
        template<class T> requires (exp_is_one_of<T, typename get_looper_stream<type_check_looper>::type_list>::value)
        bool operator ==(T const& v) {
            bool result{ false };
            transform([&result](auto&& value, T const& v) { result = (value == v); }, v);
            return result;
        }
        CREATE_BASIC_OPERATOR(T, T, +)
        CREATE_BASIC_OPERATOR(T, T, -)
        CREATE_BASIC_OPERATOR(T, T, *)
        CREATE_BASIC_OPERATOR(T, T, /)
            
        CREATE_BASIC_OPERATOR(T, T, +=)
        CREATE_BASIC_OPERATOR(T, T, -=)
        CREATE_BASIC_OPERATOR(T, T, *=)
        CREATE_BASIC_OPERATOR(T, T, /=)
        
    };

}
//align data by specified alignment
template<std::size_t pack_size, class Self_destruct_determin_t, class ...Args> 
class align_memory_field
{
private:
    //judge if the first type in given list is a functor
    static constexpr bool Is_self_destructible = is_functor_v<Self_destruct_determin_t>;
    static constexpr std::size_t Max_types_index = Is_self_destructible ?
        sizeof...(Args) - 1 :
        sizeof...(Args);

    //if first type is a functor, the first type should be ignore in offset calculation
    using Member_offset_vector = exp_if<Is_self_destructible,
        offset_vector<pack_size, Args...>, //true
        offset_vector<pack_size, Self_destruct_determin_t, Args...>//false
    >;

    static constexpr std::size_t End_of_field_offset = align_offset_advance_t<
        typename Member_offset_vector :: template iterator<Max_types_index>::get,
        typename Member_offset_vector :: template value_type<Max_types_index>
    >::template seek<pack_size>::offset_v;
        
        

    unsigned char* base_ptr{ nullptr };
    
public:
    
    //allocate constructor
    align_memory_field(std::size_t N = End_of_field_offset)
        :
        base_ptr(new unsigned char[N])
    {}

    //static memory constructor
    template<class Obj_t, class En = std::enable_if_t<Is_self_destructible>>
    align_memory_field(Obj_t* p_memory_locate)
        :
        base_ptr(reinterpret_cast<unsigned char*>(p_memory_locate))
    {}

    align_memory_field(const align_memory_field& another)
        :
        align_memory_field()
    {
        std::copy(another.base_ptr, another.base_ptr + End_of_field_offset, base_ptr);
    }

    align_memory_field(align_memory_field&& another) noexcept
    {
        if constexpr (!Is_self_destructible) {
            base_ptr = another.base_ptr;
            //set to nullptr to prevent the dying object from releasing the memory
            another.base_ptr = nullptr;
        }
        else
        {
            std::copy(another.base_ptr, another.base_ptr + End_of_field_offset, base_ptr);
        }
    }
 
#ifdef ENABLE_DYNAMIC_LOCATION
    //the other parts of the class use static assert or concept to handle type exception in compile time
    //while this part, due to codes in runtime, provide dynamic exception handling, by disabling this part
    //you will completely disable dynamic exception handling, improve on performance, but index must be handle
    //carefully, still, although in runtime, this part still provides type check to prevent usual type mismatching
    auto operator[](unsigned int idx)const {
        if (idx > Max_types_index) throw std::out_of_range("error: index overflow!");

        using offset_array_set = meta_to_array<meta_iota<Max_types_index>>;
        using meta_array_set = decltype(Member_offset_vector::offset_array(offset_array_set{}));

        constexpr auto offset_arr = meta_array_to_array(meta_array_set{});

        return align_memory_helper::align_memory_dynamic_location<while_constexpr<
            meta_stream_o<Max_types_index + 1, meta_replace_o, 
                meta_istream<
                    exp_if<Is_self_destructible, exp_list<Args...>, exp_list<Self_destruct_determin_t, Args...>>
                    >
                >
            >
        >{base_ptr, idx, offset_arr[idx]};
    }
    auto begin() {
        return operator[](0);
    }
    auto end() {
        using location_type = decltype(operator[](0));
        return location_type{ base_ptr, Max_types_index + 1, End_of_field_offset };
    }
#endif
    template<typename structT> structT* cast() const
    {
        static_assert(alignof(structT) == pack_size);
        using align_memory_type_list = exp_if<Is_self_destructible, 
            exp_list<Args...>, exp_list<Self_destruct_determin_t, Args...>>;
        using construct_test = typename add_to_front<structT, align_memory_type_list>::type
            ::template to<std::is_constructible>;
        static_assert(construct_test::value, 
            "Error: static type check failed! target structure has a different initialize list.");
    
        return reinterpret_cast<structT*>(base_ptr);
    }

    constexpr std::size_t member_count() const {
        return Max_types_index + 1;
    }

    //copy a struct to the field
    template<class structT, class ...TArgs>
    friend inline void copy_struct(align_memory_field<alignof(structT), TArgs...>& amf, structT&& s);

    template<class F, std::size_t N, class ...Typs>
    friend auto invoke_from_field(F&& f, align_memory_field<N, Typs...> const& field);
    //use placement new to construct a certain type if needed
    template<std::size_t I, class Source_t = Member_offset_vector::template value_type<I>> requires std::is_convertible_v<
        Source_t, 
        typename Member_offset_vector::template value_type<I>
    > 
    constexpr void initialize(Source_t const& value = Source_t())
    {
        unsigned char* place_ptr = base_ptr + Member_offset_vector::template offset_v<I>;

        new(place_ptr) typename Member_offset_vector::template value_type<I>{value};
    }

    //write const data
    template<std::size_t I, class Source_t> 
        requires std::is_convertible_v<Source_t, typename Member_offset_vector::template value_type<I>>
    constexpr void write(Source_t const& value)
    {
        read_from_align_offset<unsigned char, typename Member_offset_vector::template value_type<I>>(
           base_ptr, Member_offset_vector::template offset_v<I>) = value;
    }

    //write ref, this is much faster if you already have the reference
    template<std::size_t I> requires (!std::is_fundamental_v<typename Member_offset_vector::template value_type<I>>)
    constexpr void write(typename Member_offset_vector::template value_type<I>& value)
    {
        unsigned char* place_ptr = base_ptr + Member_offset_vector::template offset_v<I>;

        std::copy(
            reinterpret_cast<unsigned char*>(&value), 
            reinterpret_cast<unsigned char*>(&value) + 
            sizeof(typename Member_offset_vector::template value_type<I>), 
            place_ptr
        );
    }

    template<std::size_t I> requires (I <= Max_types_index)
    constexpr typename Member_offset_vector::template value_type<I>& read() const
    {
       
        return read_from_align_offset<
            unsigned char, 
            typename Member_offset_vector::template value_type<I>>(
                    base_ptr, Member_offset_vector::template offset_v<I>
            );
    }
    ~align_memory_field()
    {
        if constexpr (!Is_self_destructible) {
            if (base_ptr) {
                delete[] base_ptr;
            }
            base_ptr = not_null;
        }
        else {
            Self_destruct_determin_t{}(base_ptr);
        }
        
    }
};


template<class structT, class ...Args>
inline void copy_struct(align_memory_field<alignof(structT), Args...>& amf, structT&& s)
{
    new(amf.base_ptr) std::remove_cvref_t<structT>{ s };
}

using do_nothing_t = decltype([](unsigned char* p) {});
template<class ...Typs> using static_align_memory_field = align_memory_field<decl_align<Typs...>, do_nothing_t, Typs...>;


template<class ...typs>
using align_attach_istream = meta_istream<collector::collect<
    meta_all_transfer_o<
    meta_attach_o<offset_vector<decl_align<typs...>, typs...>>,
    meta_istream<meta_iota<sizeof...(typs) - 1>>
    >
    >>;


template<class T> using tuple_val_transform = std::_Tuple_val<T>;

//create a static_align_memory_field to access a std::tuple structure
template<class STD_TP_T> using static_align_tuple_field =
    typename stream_final_t<meta_all_transfer<
        meta_transform_append_o<exp_list<>, tuple_val_transform>, 
        meta_reverse_istream<STD_TP_T>//reverse the type list of std::tuple, because it's using recursively inheriting, causing members reversed in order of the tuple typelist 
        >
    >::template to<static_align_memory_field>;

template<class F, std::size_t N, class ...Typs> 
auto invoke_from_field(F&& f, align_memory_field<N, Typs...> const& field) {
    return [&f, &field] <std::size_t ...I>(meta_array<I...>) {
        return std::invoke(f, field.read<I>()...);
    }(meta_to_array<meta_iota<align_memory_field<N, Typs...>::Max_types_index>>{});
}
```