def tz.clock.sign
import bend-kit-time@0.3.0.0/time.bend as Timeimport Base
886def tz.clock.sign(s: String, max: U32) -> Maybe<&2, TzClock>:
887 match s:
888 case SCon{Chr{45}, t}:
889 tz.clock.read(t, max, True{})
890 case SCon{Chr{43}, t}:
891 tz.clock.read(t, max, False{})
892 case _:
893 tz.clock.read(s, max, False{})