Period.Period.add_to.y3: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/period.bend as Period
Lines 60-67 of bend-time-lib@0.4.0.1/period.bend: https://jend.leeeet.dev/read.txt?path=bend-time-lib@0.4.0.1/period.bend&start_line=60&end_line=67

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

def Period.add_to.y3(
  +y: U32, +m: U32, +d: U32, +pd: U32, ok: Bool
) -> Result<&2, &2, D.Date.Error, D.Date>:
  match ok:
    case False{}:
      Fail{D.OutOfRange{}}
    case True{}:
      Period.add_to.dim(y, m, d, pd, D.Date.dim(m, D.Date.leap(y)))

Uses (8):
  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=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
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/date.bend&name=Date.leap
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/period.bend&name=Period.add_to.dim