UUID
Inherits Comparable / Struct / Value / Object
Represents a UUID (Universally Unique IDentifier).
NOTE: To use UUID, you must explicitly import it with require "uuid"
Instance methods
to_canonical_extjson(builder : JSON::Builder)
Serialize to a canonical extended json representation.
NOTE: see https://github.com/mongodb/specifications/blob/master/source/extended-json.rst