294     pub fn is_empty(&self) -> bool {  in is_empty()  method
309         self.is_empty() || pool.len_of(self) != None  in is_valid()
328         if self.is_empty() {  in first()
700             assert!(ilist.is_empty());  in empty_list()
711         assert!(list.is_empty());  in empty_list()
722         assert!(!list.is_empty());  in from_slice()
729         assert!(list.is_empty());  in from_slice()
748         assert!(!list.is_empty());  in push()
756         assert!(!list.is_empty());  in push()
765         assert!(!list.is_empty());  in push()
776         assert!(!list.is_empty());  in push()
830         assert!(list.is_empty());  in insert_remove()
846         assert!(list.is_empty());  in growing()
907         assert!(list.is_empty());  in truncate()