EmergingEztoml.when.year4: def of emerging-eztoml@0.9.0.0
Import: import emerging-eztoml@0.9.0.0/main.bend as EmergingEztoml
Lines 1076-1082 of emerging-eztoml@0.9.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=emerging-eztoml@0.9.0.0/main.bend&start_line=1076&end_line=1082

import Base

# the fourth year digit, then the month
def when.year4(dd: Dig) -> WhenOut:
  match dd:
    case DigBad{}:
      WFail{"invalid date"}
    case DigOk{n, cs}:
      when.year.dash(cs, n)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=emerging-eztoml@0.9.0.0/main.bend&name=Dig
  https://jend.leeeet.dev/definition.txt?path=emerging-eztoml@0.9.0.0/main.bend&name=WhenOut
  https://jend.leeeet.dev/definition.txt?path=emerging-eztoml@0.9.0.0/main.bend&name=when.year.dash