type Relay
import bend-kit-concurrency@0.2.0.0/concurrency.bend as Concurrencyimport Base
243# A select relay between channel steps.
244type Relay<-A: Type> is Type:
245 RWait{}
246 RGot{got: Maybe<&1, A>}
247 RSent{ok: Result<&1, &1, U32 & A, Unit>}