def Iso8601.per.unit_w
import bend-time-lib@0.4.0.1/iso8601.bend as Iso8601import Base
706def Iso8601.per.unit_w(
707 st: Iso8601.PerS, n: U32, +c: Char, is_w: Bool
708) -> Iso8601.PerC:
709 match is_w:
710 case True{}:
711 Iso8601.per.cont_r(Iso8601.per.put_w(st, n), PSeek{})
712 case False{}:
713 Iso8601.per.unit_d(st, n, Char.is_eq(c, 'D'))