Iso8601.Iso8601.per.num: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/iso8601.bend as Iso8601
Lines 734-741 of bend-time-lib@0.4.0.1/iso8601.bend: https://jend.leeeet.dev/read.txt?path=bend-time-lib@0.4.0.1/iso8601.bend&start_line=734&end_line=741

import Base

def Iso8601.per.num(
  off: Nat, st: Iso8601.PerS, acc: U32, +h: Char, is_dig: Bool
) -> Iso8601.PerC:
  match is_dig:
    case True{}:
      Iso8601.per.ndig(off, st, acc, h)
    case False{}:
      Iso8601.per.unit_y(st, acc, h, Char.is_eq(h, 'Y'))

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/iso8601.bend&name=Iso8601.PerC
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/iso8601.bend&name=Iso8601.PerS
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/iso8601.bend&name=Iso8601.per.ndig
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/iso8601.bend&name=Iso8601.per.unit_y