Returns the current
deep value for the running query. The deep value indicates how far down the result of a query is returned. For example, thing1 may contain a thing2 that contains a thing3. A deep value of 1 would only show the content of thing1 and a deep value of 3 will go as deep as the content of thing3.
deep value changes when a function with a return(..) is called which has changed the
deep value for this query.
This function does not generate a change.
deep value for the running query.
This code uses
deep()to return the default
deep(); // returns the default since `deep` is not changed
Return value in JSON format