object ZStream extends ZStreamPlatformSpecific with Serializable
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- type Fold[R, E, +A, S] = ZManaged[R, Nothing, (S, (S) => Boolean, (S, A) => ZIO[R, E, S]) => ZManaged[R, E, S]]
Describes an effectful fold over the elements of the stream.
Describes an effectful fold over the elements of the stream. Conceptually it is an effectful state transformation function in the
Renvironment that can fail with a checked errorE. It consumes stream elements of typeAand keeps state of typeS. It consists of three main components:- The current state represented by
S. 2. A continuation signal function (S => Boolean). Decides whether the fold should continue based on the current state. 3. Effectful step function ((S, A) => ZIO[R, E, S]) which takes as arguments the current state, the current stream element and effectfully produces the next state.
- The current state represented by
- implicit final class unTake[-R, +E, +A] extends AnyVal
Value Members
- final def !=(arg0: Any): Boolean
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- final def ##(): Int
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- final def ==(arg0: Any): Boolean
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- final def apply[A](as: A*): Stream[Nothing, A]
Creates a pure stream from a variable list of values
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- final def bracket[R, E, A](acquire: ZIO[R, E, A])(release: (A) => ZIO[R, Nothing, _]): ZStream[R, E, A]
Creates a stream from a single value that will get cleaned up after the stream is consumed
- def clone(): AnyRef
- Attributes
- protected[java.lang]
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- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- final def die(ex: Throwable): Stream[Nothing, Nothing]
The stream that always dies with
ex. - final def dieMessage(msg: String): Stream[Nothing, Nothing]
The stream that always dies with an exception described by
msg. - final def effectAsync[R, E, A](register: ((ZIO[R, Option[E], A]) => Unit) => Unit, outputBuffer: Int = 16): ZStream[R, E, A]
Creates a stream from an asynchronous callback that can be called multiple times.
Creates a stream from an asynchronous callback that can be called multiple times. The optionality of the error type
Ecan be used to signal the end of the stream, by setting it toNone. - final def effectAsyncInterrupt[R, E, A](register: ((ZIO[R, Option[E], A]) => Unit) => Either[Canceler, ZStream[R, E, A]], outputBuffer: Int = 16): ZStream[R, E, A]
Creates a stream from an asynchronous callback that can be called multiple times.
Creates a stream from an asynchronous callback that can be called multiple times. The registration of the callback returns either a canceler or synchronously returns a stream. The optionality of the error type
Ecan be used to signal the end of the stream, by setting it toNone. - final def effectAsyncM[R, E, A](register: ((ZIO[R, Option[E], A]) => Unit) => ZIO[R, E, _], outputBuffer: Int = 16): ZStream[R, E, A]
Creates a stream from an asynchronous callback that can be called multiple times The registration of the callback itself returns an effect.
Creates a stream from an asynchronous callback that can be called multiple times The registration of the callback itself returns an effect. The optionality of the error type
Ecan be used to signal the end of the stream, by setting it toNone. - final def effectAsyncMaybe[R, E, A](register: ((ZIO[R, Option[E], A]) => Unit) => Option[ZStream[R, E, A]], outputBuffer: Int = 16): ZStream[R, E, A]
Creates a stream from an asynchronous callback that can be called multiple times.
Creates a stream from an asynchronous callback that can be called multiple times. The registration of the callback can possibly return the stream synchronously. The optionality of the error type
Ecan be used to signal the end of the stream, by setting it toNone. - final val empty: Stream[Nothing, Nothing]
The empty stream
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
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- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- final def fail[E](error: E): Stream[E, Nothing]
The stream that always fails with
error - def finalize(): Unit
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- protected[java.lang]
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- Annotations
- @throws(classOf[java.lang.Throwable])
- final def finalizer[R](finalizer: ZIO[R, Nothing, _]): ZStream[R, Nothing, Nothing]
Creates a stream that emits no elements, never fails and executes the finalizer before it ends.
- final def flatten[R, E, A](fa: ZStream[R, E, ZStream[R, E, A]]): ZStream[R, E, A]
Flattens nested streams.
- final def flattenPar[R, E, A](n: Int, outputBuffer: Int = 16)(fa: ZStream[R, E, ZStream[R, E, A]]): ZStream[R, E, A]
Flattens a stream of streams into a stream by executing a non-deterministic concurrent merge.
Flattens a stream of streams into a stream by executing a non-deterministic concurrent merge. Up to
nstreams may be consumed in parallel and up tooutputBufferelements may be buffered by this operator. - final def fromChunk[A](c: Chunk[A]): Stream[Nothing, A]
Creates a stream from a zio.Chunk of values
- final def fromEffect[R, E, A](fa: ZIO[R, E, A]): ZStream[R, E, A]
Creates a stream from an effect producing a value of type
A - final def fromIterable[A](as: Iterable[A]): Stream[Nothing, A]
Creates a stream from an iterable collection of values
- final def fromQueue[R, E, A](queue: ZQueue[_, _, R, E, _, A]): ZStream[R, E, A]
Creates a stream from a zio.ZQueue of values
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
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- Annotations
- @native()
- final def halt[E](cause: Cause[E]): ZStream[Any, E, Nothing]
The stream that always halts with
cause. - def hashCode(): Int
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- Annotations
- @native()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
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- final def managed[R, E, A](managed: ZManaged[R, E, A]): ZStream[R, E, A]
Creates a single-valued stream from a managed resource
- final def mergeAll[R, E, A](n: Int, outputBuffer: Int = 16)(streams: ZStream[R, E, A]*): ZStream[R, E, A]
Merges a variable list of streams in a non-deterministic fashion.
Merges a variable list of streams in a non-deterministic fashion. Up to
nstreams may be consumed in parallel and up tooutputBufferelements may be buffered by this operator. - final def ne(arg0: AnyRef): Boolean
- Definition Classes
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- final val never: Stream[Nothing, Nothing]
The stream that never produces any value or fails with any error.
- final def notify(): Unit
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- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
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- Annotations
- @native()
- final def range(min: Int, max: Int): Stream[Nothing, Int]
Constructs a stream from a range of integers (inclusive).
- final def repeatEffect[R, E, A](fa: ZIO[R, E, A]): ZStream[R, E, A]
Creates a stream from an effect producing a value of type
Awhich repeats forever - final def repeatEffectWith[R, E, A](fa: ZIO[R, E, A], schedule: ZSchedule[R, Unit, _]): ZStream[R with Clock, E, A]
Creates a stream from an effect producing a value of type
Awhich repeats using the specified schedule - final def succeed[A](a: A): Stream[Nothing, A]
Creates a single-valued pure stream
- final def succeedLazy[A](a: => A): Stream[Nothing, A]
Creates a single, lazily-evaluated-valued pure stream
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- AnyRef → Any
- final def unfold[S, A](s: S)(f0: (S) => Option[(A, S)]): Stream[Nothing, A]
Creates a stream by peeling off the "layers" of a value of type
S - final def unfoldM[R, E, A, S](s: S)(f0: (S) => ZIO[R, E, Option[(A, S)]]): ZStream[R, E, A]
Creates a stream by effectfully peeling off the "layers" of a value of type
S - final def unwrap[R, E, A](fa: ZIO[R, E, ZStream[R, E, A]]): ZStream[R, E, A]
Creates a stream produced from an effect
- final def wait(): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()