typedef void reference; // Can't modify value returned by fn
typedef RootIt iterator_type;
- typedef mapped_iterator<RootIt, UnaryFunc> _Self;
inline const RootIt &getCurrent() const { return current; }
inline const UnaryFunc &getFunc() const { return Fn; }
return Fn(*current); // little change
}
- _Self& operator++() { ++current; return *this; }
- _Self& operator--() { --current; return *this; }
- _Self operator++(int) { _Self __tmp = *this; ++current; return __tmp; }
- _Self operator--(int) { _Self __tmp = *this; --current; return __tmp; }
- _Self operator+ (difference_type n) const {
- return _Self(current + n, Fn);
+ mapped_iterator &operator++() {
+ ++current;
+ return *this;
}
- _Self& operator+= (difference_type n) { current += n; return *this; }
- _Self operator- (difference_type n) const {
- return _Self(current - n, Fn);
+ mapped_iterator &operator--() {
+ --current;
+ return *this;
+ }
+ mapped_iterator operator++(int) {
+ mapped_iterator __tmp = *this;
+ ++current;
+ return __tmp;
+ }
+ mapped_iterator operator--(int) {
+ mapped_iterator __tmp = *this;
+ --current;
+ return __tmp;
+ }
+ mapped_iterator operator+(difference_type n) const {
+ return mapped_iterator(current + n, Fn);
+ }
+ mapped_iterator &operator+=(difference_type n) {
+ current += n;
+ return *this;
+ }
+ mapped_iterator operator-(difference_type n) const {
+ return mapped_iterator(current - n, Fn);
+ }
+ mapped_iterator &operator-=(difference_type n) {
+ current -= n;
+ return *this;
}
- _Self& operator-= (difference_type n) { current -= n; return *this; }
reference operator[](difference_type n) const { return *(*this + n); }
- inline bool operator!=(const _Self &X) const { return !operator==(X); }
- inline bool operator==(const _Self &X) const { return current == X.current; }
- inline bool operator< (const _Self &X) const { return current < X.current; }
+ bool operator!=(const mapped_iterator &X) const { return !operator==(X); }
+ bool operator==(const mapped_iterator &X) const {
+ return current == X.current;
+ }
+ bool operator<(const mapped_iterator &X) const { return current < X.current; }
- inline difference_type operator-(const _Self &X) const {
+ difference_type operator-(const mapped_iterator &X) const {
return current - X.current;
}
};