def content_type_of.fin
import bendonnect-rpc@0.1.0.0/src/protocol.bend as Protocolimport Base
158def content_type_of.fin(m: Maybe<&2, Ct>) -> Result<&2, &1, Reject, Ct>:
159 match m:
160 case None{}:
161 bad_media()
162 case Some{c}:
163 Done{c}