Period.Period.from.y: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/period.bend as Period
Lines 10-17 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=10&end_line=17

import Base

def Period.from.y(
  +years: U32, +extra: U32, +months: U32, +days: U32, ok: Bool
) -> Result<&2, &2, Period.Error, Period>:
  match ok:
    case False{}:
      Fail{OutOfRange{}}
    case True{}:
      Done{Period{U32.add(years, extra), months, days}}

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.add
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/period.bend&name=Period
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/period.bend&name=Period.Error