Make.Jval string : string -> tCreate a JSON string.
val float : float -> tConverts a float to JSON
val int : int -> tConverts an integer to JSON
to_list f converts the JSON array to a list and applies f to each element to convert them too.
Like to_list except to an array.
Convert the JSON object to an association list
val null : tNull value
val is_null : t -> boolTest for null