Week.IsoWeek.start: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/week.bend as Week
Lines 7-8 of bend-time-lib@0.4.0.1/week.bend: https://jend.leeeet.dev/read.txt?path=bend-time-lib@0.4.0.1/week.bend&start_line=7&end_line=8

import Base
import bend-time-lib@0.4.0.1/date.bend as D

def IsoWeek.start(d: D.Date) -> Result<&2, &2, D.Date.Error, D.Date>:
  D.Date.previous_or_same_weekday(d, D.Mon{})

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/date.bend&name=Date
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/date.bend&name=Date.Error
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/date.bend&name=Date.previous_or_same_weekday
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/date.bend&name=Weekday