- The function searches an item with maximal key, unlinks it, and returns the pointer to item found in \p dest parameter.
- If the skip-list is empty the function returns empty \p guarded_ptr.
+ The function searches an item with maximal key, unlinks it, and returns the pointer to item
+ as \p guarded_ptr object.
+ If the skip-list is empty the function returns an empty \p guarded_ptr.