Hub.heard: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/add/hub.bend as Hub
Lines 71-78 of ezx@1.11.0.0/src/add/hub.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/add/hub.bend&start_line=71&end_line=78

import Base
import ezx@1.11.0.0/src/lock/world.bend as W

# the answer the World holds for a question about this key: a name, or a
# package's hash
def heard(rs: List<&2, W.Reply>, +key: String) -> Maybe<&2, W.Answer>:
  match rs:
    case []:
      None{}
    case W.Reply{ask, answer} <> t:
      heard.at(String.eq(W.ask.hash(ask), key), answer, _u => heard(t, key))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/add/hub.bend&name=heard.at
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/lock/world.bend&name=Answer
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/lock/world.bend&name=Reply
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/lock/world.bend&name=ask.hash