An almost complete implementation of an iterator designed for C-style arrays.

gistfile1.cpp

#include <iostream>
#include <vector>

template <class T, class CharT = char, class Traits = std::char_traits<char>>
class array_iterator : public std::iterator<std::output_iterator_tag,
                                                   void, void, void, void>
{
public:
    array_iterator(T* list)
        : array(list) { }
    
    array_iterator& operator=(const T& val)
    {
        array[pos] = val;
        return *this;
    }
    
    array_iterator& operator++() { ++pos; return *this; }
    array_iterator& operator*() { return *this; }
private:
    T* array;
    int pos = 0;
};

int main()
{
    int x[10];
    
    std::vector<int> v{1, 2, 3};
    std::copy(v.begin(), v.end(), array_iterator<int>(x));
}