pub fn entry(&self) -> Option<Rc<Entry>> {
        match &self.current_iterator {
            Some(iterator) => return iterator.entry(),
            None => return None,
        }
    }
/// returns the current entry of the iterator. If it is none, then there
/// is no entry left to advance.
returns the current entry of the iterator. If it is none, then there
is no entry left to advance.
returns the current entry of the iterator . If it is none then there is no entry left to advance .
pub fn entry(&self) -> Option<Rc<Entry>> {
        match &self.current_iterator {
            Some(iterator) => return iterator.entry(),
            None => return None,
        }
    }
pub fn entry ( & self ) -> Option < Rc < Entry > > { match & self . current_iterator { Some ( iterator ) => return iterator . entry ( ) , None => return None , } }
returns the current entry of the iterator.
returns the current entry of the iterator .
&self