numerical_iterator.cpp

template <typename T>
class numerical_iterator {
public:
    numerical_iterator() : m_value {} {

    }
    numerical_iterator(numerical_iterator const & o) : m_value {o.m_value} {

    }
    numerical_iterator(numerical_iterator && o) : m_value {o.m_value} {

    }
    numerical_iterator(T const & o) : m_value {o} {

    }
    numerical_iterator(T && o) : m_value {o} {

    }
    ~numerical_iterator() /*noexcept*/ {

    }
    numerical_iterator & operator=(numerical_iterator const & o) {
        m_value = o.m_value;
    }
    numerical_iterator & operator=(numerical_iterator && o) {
        m_value = o.m_value;
    }
    numerical_iterator & operator=(T const & o) {
        m_value = o;
    }
    numerical_iterator & operator=(T && o) {
        m_value = o;
    }
    bool operator==(numerical_iterator const & o) const {
        return o.m_value == m_value;
    }
    bool operator!=(numerical_iterator const & o) const {
        return o.m_value != m_value;
    }
    T const & operator*() const {
        return m_value;
    }
    T const * operator->() const {
        return &m_value;
    }
    numerical_iterator & operator++() {
        ++m_value;
        return *this;
    }
    numerical_iterator operator++(int) {
        return numerical_iterator {m_value++};
    }
private:
    T m_value;
};