#include <iostream>
#include <cstdarg>

struct array_info
{
	int num_values;
	int * address;
};
template <typename Any> void Swap(Any &a, Any &b);
template <typename Any> void Swap(Any a[], Any b[], int n);
template <typename Any> void show_array(const Any a[], const Any b[], int size);

array_info * build_info_array(int * array_name, int num_of_elements);
bool check_cin(std::istream &);
template <typename IN_PUT> bool doInput(IN_PUT &);
enum doInput_options {CHECK_POS, CHECK_LENGTH};
template <> bool doInput<int>(int &);

int main()
{
	using namespace std;
	int nums = 0;
	while (true)
	{
	    cout << "How many numbers will you input? ";
        if (!doInput(nums))
            continue;
	    cout << "Please enter " << nums << " numbers... " << endl;
	    int * input = new int[nums];
	    for (int i = 0; i < nums; i++)
          doInput(input[i]);
        array_info * information = build_info_array(input, sizeof(input) / sizeof(int));
        cout << ((int *)information->address)
        delete information;
        delete [] input;


	}
	//array_info * pt[2];
	//for (int i = 0; i < 2; i++)
	//{
    //pt[0] = build_info_array(ar1, sizeof(ar1)/sizeof(int));
    //pt[1] = build_info_array(ar2, sizeof(ar2)/sizeof(int));
	//}

    //Test this sucker...
    //cout << "Array #1: elements - " << *pt[0].num_values << " address - " << *pt[0].address;
	//cout << pt[0]->num_values;
	//cout << endl << pt[0]->address[0];
	//delete pt[0];
	//delete pt[1];
	return 0;
}

array_info * build_info_array(int * array_name, int num_of_elements)
{
    array_info * new_ar_inf = new array_info;
    new_ar_inf->address = array_name;
    new_ar_inf->num_values = num_of_elements;
    return new_ar_inf;
}

bool check_cin(std::istream &obj)
{
     if (!obj)
     {
        obj.clear();
	    while(obj.get() != '\n')
	    {
             continue;
	    }
            std::cout << std::endl << "Invalid input, try again..." << std::endl;
        return false;
    } else
    return true;
}

template <> bool doInput<int>(int &var) //explicit specialization
{
    using namespace std;
    cin >> var;
    if (!check_cin(cin))
    {
        var = 0;
        return false;
    } else
    {
        //Call any additional check functions...
        return ((var < 0) ? false : true);


        //return true;
    }
}


template <typename Any> void Swap(Any &a, Any &b)
{
	Any temp;
	temp = a;
	a = b;
	b = temp;
}

template <typename Any> void Swap(const Any a[], const Any b[], const int n)
{
	Any temp;
	for (int i = 0; i < n; i++)
	{
		temp = a[i];
		a[i] = b[i];
		b[i] = temp;
	}
}

template <typename Any> void show_array(Any a[], Any b[], int n)
{
    return;
}