trait ZIO_R_Any extends ZIO_E_Any
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- ZIO_R_Any
- ZIO_E_Any
- ZIO_E_Throwable
- ZIOFunctions
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Type Members
- type LowerR = Nothing
- Definition Classes
- ZIO_R_Any → ZIOFunctions
- type UpperE = Any
- Definition Classes
- ZIO_E_Any → ZIO_E_Throwable → ZIOFunctions
Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##(): Int
- Definition Classes
- AnyRef → Any
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def absolve[R >: LowerR, E <: UpperE, A](v: ZIO[R, E, Either[E, A]]): ZIO[R, E, A]
Submerges the error case of an
Eitherinto theZIO.Submerges the error case of an
Eitherinto theZIO. The inverse operation ofIO.either.- Definition Classes
- ZIOFunctions
- final def access[R >: LowerR, A](f: (R) ⇒ A): ZIO[R, Nothing, A]
Accesses the environment of the effect.
Accesses the environment of the effect.
val portNumber = effect.access(_.config.portNumber)- Definition Classes
- ZIOFunctions
- final def accessM[R >: LowerR, E <: UpperE, A](f: (R) ⇒ ZIO[R, E, A]): ZIO[R, E, A]
Effectfully accesses the environment of the effect.
Effectfully accesses the environment of the effect.
- Definition Classes
- ZIOFunctions
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- final def bracket[R >: LowerR, E <: UpperE, A](acquire: ZIO[R, E, A]): BracketAcquire[R, E, A]
When this effect represents acquisition of a resource (for example, opening a file, launching a thread, etc.),
bracketcan be used to ensure the acquisition is not interrupted and the resource is always released.When this effect represents acquisition of a resource (for example, opening a file, launching a thread, etc.),
bracketcan be used to ensure the acquisition is not interrupted and the resource is always released.The function does two things:
1. Ensures this effect, which acquires the resource, will not be interrupted. Of course, acquisition may fail for internal reasons (an uncaught exception). 2. Ensures the
releaseeffect will not be interrupted, and will be executed so long as this effect successfully acquires the resource.In between acquisition and release of the resource, the
useeffect is executed.If the
releaseeffect fails, then the entire effect will fail even if theuseeffect succeeds. If this fail-fast behavior is not desired, errors produced by thereleaseeffect can be caught and ignored.openFile("data.json").bracket(closeFile) { file => for { header <- readHeader(file) ... } yield result }
- Definition Classes
- ZIOFunctions
- final def bracketExit[R >: LowerR, E <: UpperE, A](acquire: ZIO[R, E, A]): BracketExitAcquire[R, E, A]
Acquires a resource, uses the resource, and then releases the resource.
Acquires a resource, uses the resource, and then releases the resource. Neither the acquisition nor the release will be interrupted, and the resource is guaranteed to be released, so long as the
acquireeffect succeeds. Ifusefails, then after release, the returned effect will fail with the same error.- Definition Classes
- ZIOFunctions
- def clone(): AnyRef
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @native() @throws(classOf[java.lang.CloneNotSupportedException])
- final def collectAll[R >: LowerR, E <: UpperE, A](in: Iterable[ZIO[R, E, A]]): ZIO[R, E, List[A]]
Evaluate each effect in the structure from left to right, and collect the results.
Evaluate each effect in the structure from left to right, and collect the results. For a parallel version, see
collectAllPar.- Definition Classes
- ZIOFunctions
- final def collectAllPar[R >: LowerR, E <: UpperE, A](as: Iterable[ZIO[R, E, A]]): ZIO[R, E, List[A]]
Evaluate each effect in the structure in parallel, and collect the results.
Evaluate each effect in the structure in parallel, and collect the results. For a sequential version, see
collectAll.- Definition Classes
- ZIOFunctions
- final def collectAllParN[R >: LowerR, E <: UpperE, A](n: Long)(as: Iterable[ZIO[R, E, A]]): ZIO[R, E, List[A]]
Evaluate each effect in the structure in parallel, and collect the results.
Evaluate each effect in the structure in parallel, and collect the results. For a sequential version, see
collectAll.Unlike
foreachAllPar, this method will use at mostnfibers.- Definition Classes
- ZIOFunctions
- final def descriptor: UIO[Descriptor]
Returns information about the current fiber, such as its fiber identity.
Returns information about the current fiber, such as its fiber identity.
- Definition Classes
- ZIOFunctions
- final def die(t: Throwable): UIO[Nothing]
Returns an effect that dies with the specified
Throwable.Returns an effect that dies with the specified
Throwable. This method can be used for terminating a fiber because a defect has been detected in the code.- Definition Classes
- ZIOFunctions
- final def dieMessage(message: String): UIO[Nothing]
Returns an effect that dies with a java.lang.RuntimeException having the specified text message.
Returns an effect that dies with a java.lang.RuntimeException having the specified text message. This method can be used for terminating a fiber because a defect has been detected in the code.
- Definition Classes
- ZIOFunctions
- final def done[E <: UpperE, A](r: Exit[E, A]): IO[E, A]
Returns an effect from a scalaz.zio.Exit value.
Returns an effect from a scalaz.zio.Exit value.
- Definition Classes
- ZIOFunctions
- final def effect[A](effect: ⇒ A): Task[A]
Imports a synchronous effect into a pure
ZIOvalue, translating any throwables into aThrowablefailure in the returned value.Imports a synchronous effect into a pure
ZIOvalue, translating any throwables into aThrowablefailure in the returned value.def putStrLn(line: String): Task[Unit] = Task.effect(println(line))
- Definition Classes
- ZIO_E_Throwable
- final def effectAsync[E <: UpperE, A](register: ((ZIO[Any, E, A]) ⇒ Unit) ⇒ Unit): ZIO[Any, E, A]
Imports an asynchronous effect into a pure
ZIOvalue.Imports an asynchronous effect into a pure
ZIOvalue. SeeeffectAsyncMaybefor the more expressive variant of this function that can return a value synchronously.- Definition Classes
- ZIOFunctions
- final def effectAsyncInterrupt[R >: LowerR, E <: UpperE, A](register: ((ZIO[R, E, A]) ⇒ Unit) ⇒ Either[Canceler, ZIO[R, E, A]]): ZIO[R, E, A]
Imports an asynchronous effect into a pure
IOvalue.Imports an asynchronous effect into a pure
IOvalue. The effect has the option of returning the value synchronously, which is useful in cases where it cannot be determined if the effect is synchronous or asynchronous until the effect is actually executed. The effect also has the option of returning a canceler, which will be used by the runtime to cancel the asynchronous effect if the fiber executing the effect is interrupted.- Definition Classes
- ZIOFunctions
- final def effectAsyncM[E <: UpperE, A](register: ((IO[E, A]) ⇒ Unit) ⇒ UIO[_]): IO[E, A]
Imports an asynchronous effect into a pure
ZIOvalue.Imports an asynchronous effect into a pure
ZIOvalue. This formulation is necessary when the effect is itself expressed in terms ofZIO.- Definition Classes
- ZIOFunctions
- final def effectAsyncMaybe[E <: UpperE, A](register: ((ZIO[Any, E, A]) ⇒ Unit) ⇒ Option[IO[E, A]]): ZIO[Any, E, A]
Imports an asynchronous effect into a pure
ZIOvalue, possibly returning the value synchronously.Imports an asynchronous effect into a pure
ZIOvalue, possibly returning the value synchronously.- Definition Classes
- ZIOFunctions
- final def effectTotal[A](effect: ⇒ A): UIO[A]
Imports a total synchronous effect into a pure
ZIOvalue.Imports a total synchronous effect into a pure
ZIOvalue. The effect must not throw any exceptions. If you wonder if the effect throws exceptions, then do not use this method, use Task.effect, IO.effect, or ZIO.effect.val nanoTime: UIO[Long] = IO.effectTotal(System.nanoTime())
- Definition Classes
- ZIOFunctions
- final def effectTotalWith[A](effect: (Platform) ⇒ A): UIO[A]
Imports a total synchronous effect into a pure
ZIOvalue.Imports a total synchronous effect into a pure
ZIOvalue. This variant ofeffectTotallets the impure code use the platform capabilities.The effect must not throw any exceptions. If you wonder if the effect throws exceptions, then do not use this method, use Task.effect, IO.effect, or ZIO.effect.
val nanoTime: UIO[Long] = IO.effectTotal(System.nanoTime())
- Definition Classes
- ZIOFunctions
- final def environment[R >: LowerR]: ZIO[R, Nothing, R]
Accesses the whole environment of the effect.
Accesses the whole environment of the effect.
- Definition Classes
- ZIOFunctions
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def fail[E <: UpperE](error: E): IO[E, Nothing]
Returns an effect that models failure with the specified error.
Returns an effect that models failure with the specified error. The moral equivalent of
throwfor pure code.- Definition Classes
- ZIOFunctions
- def finalize(): Unit
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable])
- final def flatten[R >: LowerR, E <: UpperE, A](zio: ZIO[R, E, ZIO[R, E, A]]): ZIO[R, E, A]
Returns an effect that first executes the outer effect, and then executes the inner effect, returning the value from the inner effect, and effectively flattening a nested effect.
Returns an effect that first executes the outer effect, and then executes the inner effect, returning the value from the inner effect, and effectively flattening a nested effect.
- Definition Classes
- ZIOFunctions
- final def foldLeft[R >: LowerR, E, S, A](in: Iterable[A])(zero: S)(f: (S, A) ⇒ ZIO[R, E, S]): ZIO[R, E, S]
Folds an
Iterable[A]using an effectful functionf, working sequentially.Folds an
Iterable[A]using an effectful functionf, working sequentially.- Definition Classes
- ZIOFunctions
- final def foreach[R >: LowerR, E <: UpperE, A, B](in: Iterable[A])(f: (A) ⇒ ZIO[R, E, B]): ZIO[R, E, List[B]]
Applies the function
fto each element of theIterable[A]and returns the results in a newList[B].Applies the function
fto each element of theIterable[A]and returns the results in a newList[B].For a parallel version of this method, see
foreachPar.- Definition Classes
- ZIOFunctions
- final def foreachPar[R >: LowerR, E <: UpperE, A, B](as: Iterable[A])(fn: (A) ⇒ ZIO[R, E, B]): ZIO[R, E, List[B]]
Applies the function
fto each element of theIterable[A]in parallel, and returns the results in a newList[B].Applies the function
fto each element of theIterable[A]in parallel, and returns the results in a newList[B].For a sequential version of this method, see
foreach.- Definition Classes
- ZIOFunctions
- final def foreachParN[R >: LowerR, E <: UpperE, A, B](n: Long)(as: Iterable[A])(fn: (A) ⇒ ZIO[R, E, B]): ZIO[R, E, List[B]]
Applies the function
fto each element of theIterable[A]in parallel, and returns the results in a newList[B].Applies the function
fto each element of theIterable[A]in parallel, and returns the results in a newList[B].Unlike
foreachPar, this method will use at most up tonfibers.- Definition Classes
- ZIOFunctions
- final def forkAll[R >: LowerR, E <: UpperE, A](as: Iterable[ZIO[R, E, A]]): ZIO[R, Nothing, Fiber[E, List[A]]]
Returns an effect that forks all of the specified values, and returns a composite fiber that produces a list of their results, in order.
Returns an effect that forks all of the specified values, and returns a composite fiber that produces a list of their results, in order.
- Definition Classes
- ZIOFunctions
- final def forkAll_[R >: LowerR, E <: UpperE, A](as: Iterable[ZIO[R, E, A]]): ZIO[R, Nothing, Unit]
Returns an effect that forks all of the specified values, and returns a composite fiber that produces unit.
Returns an effect that forks all of the specified values, and returns a composite fiber that produces unit. This version is faster than forkAll in cases where the results of the forked fibers are not needed.
- Definition Classes
- ZIOFunctions
- final def fromEither[E <: UpperE, A](v: ⇒ Either[E, A]): IO[E, A]
Lifts an
Eitherinto aZIOvalue.Lifts an
Eitherinto aZIOvalue.- Definition Classes
- ZIOFunctions
- final def fromFiber[E <: UpperE, A](fiber: ⇒ Fiber[E, A]): IO[E, A]
Creates a
ZIOvalue that represents the exit value of the specified fiber.Creates a
ZIOvalue that represents the exit value of the specified fiber.- Definition Classes
- ZIOFunctions
- final def fromFiberM[E <: UpperE, A](fiber: IO[E, Fiber[E, A]]): IO[E, A]
Creates a
ZIOvalue that represents the exit value of the specified fiber.Creates a
ZIOvalue that represents the exit value of the specified fiber.- Definition Classes
- ZIOFunctions
- final def fromFunction[R >: LowerR, A](f: (R) ⇒ A): ZIO[R, Nothing, A]
Lifts a function
R => Ainto aZIO[R, Nothing, A].Lifts a function
R => Ainto aZIO[R, Nothing, A].- Definition Classes
- ZIOFunctions
- final def fromFunctionM[R >: LowerR, E, A](f: (R) ⇒ IO[E, A]): ZIO[R, E, A]
Lifts an effectful function whose effect requires no environment into an effect that requires the input to the function.
Lifts an effectful function whose effect requires no environment into an effect that requires the input to the function.
- Definition Classes
- ZIOFunctions
- final def fromFuture[A](make: (ExecutionContext) ⇒ Future[A]): Task[A]
Imports a function that creates a scala.concurrent.Future from an scala.concurrent.ExecutionContext into a
ZIO.Imports a function that creates a scala.concurrent.Future from an scala.concurrent.ExecutionContext into a
ZIO.- Definition Classes
- ZIO_E_Throwable
- final def fromOption[A](v: ⇒ Option[A]): IO[Unit, A]
Lifts an
Optioninto aZIO.Lifts an
Optioninto aZIO.- Definition Classes
- ZIO_E_Any
- final def fromTry[A](value: ⇒ Try[A]): Task[A]
Lifts a
Tryinto aZIO.Lifts a
Tryinto aZIO.- Definition Classes
- ZIO_E_Throwable
- final def getClass(): Class[_]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- final def halt[E <: UpperE](cause: Cause[E]): IO[E, Nothing]
Returns an effect that models failure with the specified
Cause.Returns an effect that models failure with the specified
Cause.- Definition Classes
- ZIOFunctions
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- final val interrupt: UIO[Nothing]
Returns an effect that is interrupted.
Returns an effect that is interrupted.
- Definition Classes
- ZIOFunctions
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- final def lock[R >: LowerR, E <: UpperE, A](executor: Executor)(zio: ZIO[R, E, A]): ZIO[R, E, A]
Returns an effect that will execute the specified effect fully on the provided executor, before returning to the default executor.
Returns an effect that will execute the specified effect fully on the provided executor, before returning to the default executor.
- Definition Classes
- ZIOFunctions
- final def mergeAll[R >: LowerR, E <: UpperE, A, B](in: Iterable[ZIO[R, E, A]])(zero: B)(f: (B, A) ⇒ B): ZIO[R, E, B]
Merges an
Iterable[IO]to a single IO, working in parallel.Merges an
Iterable[IO]to a single IO, working in parallel.- Definition Classes
- ZIOFunctions
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final val never: UIO[Nothing]
Returns a effect that will never produce anything.
Returns a effect that will never produce anything. The moral equivalent of
while(true) {}, only without the wasted CPU cycles.- Definition Classes
- ZIOFunctions
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
- final def provide[R >: LowerR, E <: UpperE, A](r: R): (ZIO[R, E, A]) ⇒ IO[E, A]
Given an environment
R, returns a function that can supply the environment to programs that require it, removing their need for any specific environment.Given an environment
R, returns a function that can supply the environment to programs that require it, removing their need for any specific environment.This is similar to dependency injection, and the
providefunction can be thought of asinject.- Definition Classes
- ZIOFunctions
- final def raceAll[R >: LowerR, R1 >: LowerR <: R, E <: UpperE, A](zio: ZIO[R, E, A], ios: Iterable[ZIO[R1, E, A]]): ZIO[R1, E, A]
Races an
IO[E, A]against zero or more other effects.Races an
IO[E, A]against zero or more other effects. Yields either the first success or the last failure.- Definition Classes
- ZIOFunctions
- final def reduceAll[R >: LowerR, R1 >: LowerR <: R, E <: UpperE, A](a: ZIO[R, E, A], as: Iterable[ZIO[R1, E, A]])(f: (A, A) ⇒ A): ZIO[R1, E, A]
Reduces an
Iterable[IO]to a singleIO, working in parallel.Reduces an
Iterable[IO]to a singleIO, working in parallel.- Definition Classes
- ZIOFunctions
- final def require[E <: UpperE, A](error: E): (IO[E, Option[A]]) ⇒ IO[E, A]
Requires that the given
IO[E, Option[A]]contain a value.Requires that the given
IO[E, Option[A]]contain a value. If there is no value, then the specified error will be raised.- Definition Classes
- ZIOFunctions
- final def runtime[R >: LowerR]: ZIO[R, Nothing, Runtime[R]]
Returns an effect that accesses the runtime, which can be used to (unsafely) execute tasks.
Returns an effect that accesses the runtime, which can be used to (unsafely) execute tasks. This is useful for integration with non-functional code that must call back into functional code.
- Definition Classes
- ZIOFunctions
- final def sleep(duration: Duration): ZIO[Clock, Nothing, Unit]
Sleeps for the specified duration.
Sleeps for the specified duration. This method is asynchronous, and does not actually block the fiber.
- final def succeed[A](a: A): UIO[A]
Returns an effect that models success with the specified strictly- evaluated value.
Returns an effect that models success with the specified strictly- evaluated value.
- Definition Classes
- ZIOFunctions
- final def succeedLazy[A](a: ⇒ A): UIO[A]
Returns an effect that models success with the specified lazily-evaluated value.
Returns an effect that models success with the specified lazily-evaluated value. This method should not be used to capture effects. See
IO.effectTotalfor capturing total effects, andIO.effectfor capturing partial effects.- Definition Classes
- ZIOFunctions
- final def supervise[R >: LowerR, E <: UpperE, A](zio: ZIO[R, E, A]): ZIO[R, E, A]
Returns an effect that supervises the specified effect, ensuring that all fibers that it forks are interrupted as soon as the supervised effect completes.
Returns an effect that supervises the specified effect, ensuring that all fibers that it forks are interrupted as soon as the supervised effect completes.
- Definition Classes
- ZIOFunctions
- final def superviseWith[R >: LowerR, E <: UpperE, A](zio: ZIO[R, E, A])(supervisor: (Iterable[Fiber[_, _]]) ⇒ UIO[_]): ZIO[R, E, A]
Returns an effect that supervises the specified effect, ensuring that all fibers that it forks are passed to the specified supervisor as soon as the supervised effect completes.
Returns an effect that supervises the specified effect, ensuring that all fibers that it forks are passed to the specified supervisor as soon as the supervised effect completes.
- Definition Classes
- ZIOFunctions
- final def suspend[R >: LowerR, E <: UpperE, A](io: ⇒ ZIO[R, E, A]): ZIO[R, E, A]
Returns a lazily constructed effect, whose construction may itself require effects.
Returns a lazily constructed effect, whose construction may itself require effects. This is a shortcut for
flatten(effectTotal(io)).- Definition Classes
- ZIOFunctions
- final def synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- AnyRef → Any
- final def unit[R >: LowerR]: ZIO[R, Nothing, Unit]
Strictly-evaluated unit lifted into the
ZIOmonad.Strictly-evaluated unit lifted into the
ZIOmonad.- Definition Classes
- ZIOFunctions
- final def unsandbox[R >: LowerR, E <: UpperE, A](v: ZIO[R, Cause[E], A]): ZIO[R, E, A]
The inverse operation
IO.sandboxedThe inverse operation
IO.sandboxedTerminates with exceptions on the
Leftside of theEithererror, if it exists. Otherwise extracts the containedIO[E, A]- Definition Classes
- ZIOFunctions
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @throws(classOf[java.lang.InterruptedException])
- final def when[R >: LowerR, E <: UpperE](b: Boolean)(zio: ZIO[R, E, _]): ZIO[R, E, Unit]
The moral equivalent of
if (p) expThe moral equivalent of
if (p) exp- Definition Classes
- ZIOFunctions
- final def whenM[R >: LowerR, E <: UpperE](b: ZIO[R, E, Boolean])(zio: ZIO[R, E, _]): ZIO[R, E, Unit]
The moral equivalent of
if (p) expwhenphas side-effectsThe moral equivalent of
if (p) expwhenphas side-effects- Definition Classes
- ZIOFunctions
- final val yieldNow: UIO[Unit]
Returns an effect that yields to the runtime system, starting on a fresh stack.
Returns an effect that yields to the runtime system, starting on a fresh stack. Manual use of this method can improve fairness, at the cost of overhead.
- Definition Classes
- ZIOFunctions