def iso_opt
import cswap-bend-cli@0.1.0.0/daemon/dec.bend as Decimport Base
import cswap-bend-cli@0.1.0.0/clock.bend as Clock
44def iso_opt(+m: Maybe<&2, U32>) -> Maybe<&2, String>:
45 match m:
46 case None{}:
47 None{}
48 case Some{t}:
49 Some{Clock.iso8601_utc(t)}