the field name
(unset: StringAdd).self
(unset: StringFormat).self
(Since version 0.20.3) No longer a case class
(Since version 0.20.3) No longer a case class
(Since version 0.20.3) No longer a case class
(unset: ArrowAssoc[Unset]).x
(Since version 2.10.0) Use leftOfArrow
instead
(unset: Ensuring[Unset]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
The $unset aggregation stage.
MongoDB 4.2