import _root_.monocle.Optional import reactivemongo.api.bson.BSONDocument import reactivemongo.api.bson.monocle._ val lens: Optional[BSONDocument, BSONDocument] = "foo" \ "bar"
import reactivemongo.api.bson.monocle._ // For a top document { "foo": { "bar": 1 } } val lens = "foo" \ field[Int]("bar") // equivalent to nested("foo", field[Int]("bar"))
Field wrapper