Function mapDequeue

packages/effect/src/internal/groupBy.ts:315–315

(dequeue: Queue.Dequeue<A>, f: (a: A) => B)

    ), options))

const mapDequeue = <A, B>(dequeue: Queue.Dequeue<A>, f: (a: A) => B): Queue.Dequeue<B> => new MapDequeue(dequeue, f)

class MapDequeue<in out A, out B> extends Effectable.Class<B> implements Queue.Dequeue<B> {
  readonly [Queue.DequeueTypeId] = {