Class iterator

include/utf8cpp/unchecked.h:179–221

        // The iterator class
        template <typename octet_iterator>
          class iterator : public std::iterator <std::bidirectional_iterator_tag, uint32_t> { 
            octet_iterator it;
            public:
            iterator () {}
            explicit iterator (const octet_iterator& octet_it): it(octet_it) {}
            // the default "big three" are OK
            octet_iterator base () const { return it; }
            uint32_t operator * () const
            {
                octet_iterator temp = it;
                return utf8::unchecked::next(temp);
            }
            bool operator == (const iterator& rhs) const 
            { 
                return (it == rhs.it);
            }
            bool operator != (const iterator& rhs) const
            {
                return !(operator == (rhs));
            }
            iterator& operator ++ () 
            {
                ::std::advance(it, utf8::internal::sequence_length(it));
                return *this;
            }
            iterator operator ++ (int)
            {
                iterator temp = *this;
                ::std::advance(it, utf8::internal::sequence_length(it));
                return temp;
            }  
            iterator& operator -- ()
            {
                utf8::unchecked::prior(it);
                return *this;
            }
            iterator operator -- (int)
            {
                iterator temp = *this;
                utf8::unchecked::prior(it);
                return temp;
            }
          }; // class iterator

    } // namespace utf8::unchecked
} // namespace utf8