Duration.Duration.sub.days: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/duration.bend as Duration
Lines 205-212 of bend-time-lib@0.4.0.1/duration.bend: https://jend.leeeet.dev/read.txt?path=bend-time-lib@0.4.0.1/duration.bend&start_line=205&end_line=212

import Base

def Duration.sub.days(
  +days: U32, +sod: U32, +nanos: U32, +b_days: U32, ok: Bool
) -> Result<&2, &2, Duration.Error, Duration>:
  match ok:
    case False{}:
      Fail{OutOfRange{}}
    case True{}:
      Done{Duration{U32.sub(days, b_days), sod, 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=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/duration.bend&name=Duration
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/duration.bend&name=Duration.Error