Package

fs2.interop

reactivestreams

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package reactivestreams

Implementation of the reactivestreams protocol for fs2

Source
package.scala
Example: 

  1. scala> import fs2._
scala> import fs2.interop.reactivestreams._
scala> import cats.effect.{ContextShift, IO}
scala> import scala.concurrent.ExecutionContext
scala>
scala> implicit val contextShift: ContextShift[IO] = IO.contextShift(ExecutionContext.global)
scala>
scala> val upstream: Stream[IO, Int] = Stream(1, 2, 3).covary[IO]
scala> val publisher: StreamUnicastPublisher[IO, Int] = upstream.toUnicastPublisher
scala> val downstream: Stream[IO, Int] = publisher.toStream[IO]
scala>
scala> downstream.compile.toVector.unsafeRunSync()
res0: Vector[Int] = Vector(1, 2, 3)
See also

http://www.reactive-streams.org/

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Type Members

  1. implicit final class PublisherOps[A] extends AnyVal

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  2. implicit final class StreamOps[F[_], A] extends AnyRef

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  3. final class StreamSubscriber[F[_], A] extends Subscriber[A]

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    Implementation of a org.reactivestreams.Subscriber.

    Implementation of a org.reactivestreams.Subscriber.

    This is used to obtain a fs2.Stream from an upstream reactivestreams system.

    See also

    https://github.com/reactive-streams/reactive-streams-jvm#2-subscriber-code

  4. final class StreamUnicastPublisher[F[_], A] extends Publisher[A]

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    Implementation of a org.reactivestreams.Publisher

    Implementation of a org.reactivestreams.Publisher

    This is used to publish elements from a fs2.Stream to a downstream reactivestreams system.

    See also

    https://github.com/reactive-streams/reactive-streams-jvm#1-publisher-code

Value Members

  1. object StreamSubscriber

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  2. object StreamUnicastPublisher

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  3. def fromPublisher[F[_], A](p: Publisher[A])(implicit arg0: ConcurrentEffect[F]): Stream[F, A]

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    Creates a lazy stream from an org.reactivestreams.Publisher.

    Creates a lazy stream from an org.reactivestreams.Publisher.

    The publisher only receives a subscriber when the stream is run.

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