final case class$FlatMapF[A](src: A, fn: AnonFunDecl, scope: Scope) extends MapReduceF[A] with Product with Serializable
Takes a function of two parameters. The first is the current key (which
defaults to this._id, but may have been overridden by previous
[Flat]$MapFs) and the second is the document itself. The function must
return an array of 2-element arrays, each containing a new key and a new
value.
Takes a function of two parameters. The first is the current key (which defaults to
this._id
, but may have been overridden by previous [Flat]$MapFs) and the second is the document itself. The function must return an array of 2-element arrays, each containing a new key and a new value.