_IteratorIndex
int32 index = _IteratorIndex(iterator);
int32 index = _IteratorIndex(iterator);
int32 index = IndexOf(value, _IteratorIndex(start));
int32 index = IndexOf(value, _IteratorIndex(start));
inline int32 _IteratorIndex(const Iterator &iterator) const;
inline int32 _IteratorIndex(const ConstIterator &iterator) const;
int32 index = _IteratorIndex(iterator);
int32 index = _IteratorIndex(iterator);
int32 index = IndexOf(value, _IteratorIndex(start));
int32 index = IndexOf(value, _IteratorIndex(start));
inline int32 _IteratorIndex(const Iterator &iterator) const;
inline int32 _IteratorIndex(const ConstIterator &iterator) const;