Key.read.third: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/ez/key.bend as Key
Lines 22-33 of ezx@1.11.0.0/src/ez/key.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/ez/key.bend&start_line=22&end_line=33

import Base

# exactly three lines, or no record. A cache written before the file and the
# bend were recorded holds the commit alone, and that reads as no record.
def read.third(+rev: String, +file: String, ls: List<&2, String>) -> Stamp:
  match ls:
    case []:
      none()
    case +b <> t:
      match t:
        case []:
          Stamp{rev, file, b}
        case _h <> _t:
          none()

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/key.bend&name=Stamp
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/key.bend&name=none