CpsAsyncEmitAbsorber

This typeclass should be implemented for streams, which can be a target of asyncStream. i.e. if we want use generator of form

asyncStream[R] { out =>
   ...
   out.emit(value)
}

Then we should have an implementation of given CpsAsyncEmitAbsorber[R] in the current scope.

Companion:
object
Source:
CpsAsyncEmitAbsorber.scala
class Object
trait Matchable
class Any
trait CpsAsyncEmitAbsorber4[R, F, C, T]
class AsyncListEmitAbsorber[F, C, T]