Period.Period.add_to.ya: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/period.bend as Period
Lines 83-92 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=83&end_line=92

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

def Period.add_to.ya(
  +dy: U32, +py: U32, +dm: U32, +pm: U32, +dd: U32, +pd: U32, ok: Bool
) -> Result<&2, &2, D.Date.Error, D.Date>:
  match ok:
    case False{}:
      Fail{D.OutOfRange{}}
    case True{}:
      +y = U32.add(dy, py)
      +m = U32.add(dm, pm)
      Period.add_to.mc(y, m, dd, pd, U32.is_gt(m, 12))

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=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_gt
  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/period.bend&name=Period.add_to.mc