Iso8601.Iso8601.show_duration.go: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/iso8601.bend as Iso8601
Lines 133-150 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=133&end_line=150

import Base

def Iso8601.show_duration.go(
  +days: U32, +h: U32, +mi: U32, +s: U32, +nanos: U32, has_d: Bool, has_t: Bool
) -> String:
  match has_d has_t:
    case False{} False{}:
      "PT0S"
    case True{} False{}:
      String.append("P", String.append(Iso8601.show_u32(days), "D"))
    case False{} True{}:
      String.append("PT", Iso8601.show.t(h, mi, s, nanos))
    case True{} True{}:
      String.append(
        "P",
        String.append(
          Iso8601.show_u32(days),
          String.append("DT", Iso8601.show.t(h, mi, s, nanos))
        )
      )

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.append
  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.show.t
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/iso8601.bend&name=Iso8601.show_u32