the $addToSet
expression
(addToSet: StringAdd).self
(addToSet: StringFormat).self
(addToSet: ArrowAssoc[AggregationFramework.AddToSet]).x
(Since version 2.10.0) Use leftOfArrow
instead
(addToSet: Ensuring[AggregationFramework.AddToSet]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
the
$addToSet
expression