C++ EnumIterator

gistfile1.txt

    template<typename C, C first, C last>
    class EnumIterator {
    private:
        typedef typename std::underlying_type<C>::type val_t;

    public:
        EnumIterator(C const &f) : val(f) {}

        EnumIterator() : val(first) {}

        EnumIterator operator++() {
            ++val;
            return *this;
        }

        EnumIterator operator++(int) {
            auto temp = *this;
            ++val;
            return temp;
        }

        C operator*() { return static_cast<C>(val); }

        EnumIterator begin() { return *this; }

        const EnumIterator end() const {
            static const EnumIterator endIter = ++EnumIterator(last);
            return endIter;
        }

        bool operator!=(EnumIterator const &i) { return val != i.val; }

    private:
        val_t val;
    };