Run.hop.at: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/ws/run.bend as Run
Lines 102-110 of ezx@1.11.0.0/src/ws/run.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/ws/run.bend&start_line=102&end_line=110

import Base
import ezx@1.11.0.0/src/ws/hop.bend as H

# a command acted on as its hop says
def hop.at(hop: H.Hop, go: Unit -> IO(Unit)) -> IO(Unit):
  match hop:
    case H.Here{}:
      go(Unit{})
    case H.Stop{why}:
      IO.die(Unit, 1, why)
    case H.Hop{dir}:
      hop.run(dir)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.die
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ws/hop.bend&name=Hop
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ws/run.bend&name=hop.run