Concurrency.Worker: type of bend-kit-concurrency@0.2.0.0
Import: import bend-kit-concurrency@0.2.0.0/concurrency.bend as Concurrency
Lines 144-148 of bend-kit-concurrency@0.2.0.0/concurrency.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-concurrency@0.2.0.0/concurrency.bend&start_line=144&end_line=148

import Base

# A pool worker between channel steps. It owns its state s alone.
type Worker<-S: Type, -A: Type, -B: Type> is Type:
  WIdle{s: S}
  WGot{s: S, got: Maybe<&1, A & Chan(B)>}
  WDone{sb: S & B, reply: Chan(B)}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Chan
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair