Runner.first: def of bend-kit-runner@0.13.0.1
Import: import bend-kit-runner@0.13.0.1/runner.bend as Runner
Lines 1069-1074 of bend-kit-runner@0.13.0.1/runner.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-runner@0.13.0.1/runner.bend&start_line=1069&end_line=1074

import Base

def first(a: Out(Unit), b: Out(Unit)) -> Out(Unit):
  match a:
    case Fail{e}:
      Fail{e}
    case Done{u}:
      b

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bend-kit-runner@0.13.0.1/runner.bend&name=Out