Date.Date.days_in_month: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/date.bend as Date
Lines 134-137 of bend-time-lib@0.4.0.1/date.bend: https://jend.leeeet.dev/read.txt?path=bend-time-lib@0.4.0.1/date.bend&start_line=134&end_line=137

import Base

def Date.days_in_month(date: Date) -> Result<&2, &2, Date.Error, U32>:
  match date:
    case Date{+y, +m, _}:
      Date.dim_of(y, m)

Uses (5):
  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=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.dim_of