If the entry is to be kept after processing
The item reference, None for head entry
(entry: StringAdd).self
(entry: StringFormat).self
(entry: ArrowAssoc[Entry[T]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(entry: Ensuring[Entry[T]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Singly linked list entry implementation for WorkList.
The type of the item