def wf.zone
import emerging-eztoml@0.9.0.0/main.bend as EmergingEztomlimport Base
6230# a zone offset in range
6231def wf.zone(zz: Zone) -> Bool:
6232 match zz:
6233 case Zulu{}:
6234 True{}
6235 case Shift{_sign, +h, +mi}:
6236 Bool.and(U32.is_le(h, 23), U32.is_le(mi, 59))