def tz.clock.valid
import bend-kit-time@0.3.0.0/time.bend as Timeimport Base
import bend-kit-int@0.2.0.0/int.bend as Int
855def tz.clock.valid(ok: Bool, +value: Int.I64, negative: Bool, rest: String) -> Maybe<&2, TzClock>:
856 match ok:
857 case False{}:
858 None{}
859 case True{}:
860 Some{TzClock{Bool.pick(Int.I64, negative, Int.I64.neg(value), value), rest}}