def Iso8601.dur.seek
import bend-time-lib@0.4.0.1/iso8601.bend as Iso8601import Base
509def Iso8601.dur.seek(
510 off: Nat, st: Iso8601.DurS, h: Char, is_t: Bool, is_dig: Bool
511) -> Iso8601.DurC:
512 match is_t:
513 case True{}:
514 Iso8601.dur.cont_r(Iso8601.dur.put_t(st), DSeek{})
515 case False{}:
516 Iso8601.dur.seek2(off, st, h, is_dig)