9 Cursor<T>::operator ++( int )
13 pointer_ = pointer_->next();
18 Cursor<T>::operator -=( int j )
26 Cursor<T>::operator +=( int j )
35 Cursor<T>::operator --( int )
39 pointer_ = pointer_->previous();
45 Cursor<T>::operator +( int i ) const
60 Cursor<T>::operator -( int i ) const
74 Cursor<T>::operator-(Cursor<T> c) const
76 assert(c.list == list);
79 while (upward.ok() && upward.pointer_ != pointer_) {
87 while (c.ok()&& c.pointer_ != pointer_) {