Date.Date.from.y: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/date.bend as Date
Lines 110-117 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=110&end_line=117

import Base

def Date.from.y(
  +y: U32, +m: U32, +d: U32, ok: Bool
) -> Result<&2, &2, Date.Error, Date>:
  match ok:
    case False{}:
      Fail{InvalidDate{y, m, d}}
    case True{}:
      Date.from.dim(y, m, d, Date.dim(m, 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.from.dim
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/date.bend&name=Date.leap