trait Async[F[_]] extends Effect[F]
- Self Type
- Async[F]
- Annotations
- @implicitNotFound( ... )
- Source
- Async.scala
- Alphabetic
- By Inheritance
- Async
- Effect
- Catchable
- Monad
- Functor
- AnyRef
- Any
- by any2stringadd
- by StringFormat
- by Ensuring
- by ArrowAssoc
- Hide All
- Show All
- Public
- All
Type Members
- abstract type Ref[A]
Abstract Value Members
-
abstract
def
access[A](r: Ref[A]): F[(A, (Either[Throwable, A]) ⇒ F[Boolean])]
Obtain a snapshot of the current value of the
Ref, and a setter for updating the value.Obtain a snapshot of the current value of the
Ref, and a setter for updating the value. The setter may noop (in which casefalseis returned) if another concurrent call toaccessuses its setter first. Once it has noop'd or been used once, a setter never succeeds again. -
abstract
def
attempt[A](fa: F[A]): F[Either[Throwable, A]]
- Definition Classes
- Catchable
-
abstract
def
bind[A, B](a: F[A])(f: (A) ⇒ F[B]): F[B]
- Definition Classes
- Monad
-
abstract
def
cancellableGet[A](r: Ref[A]): F[(F[A], F[Unit])]
Like
get, but returns anF[Unit]that can be used cancel the subscription. -
abstract
def
fail[A](err: Throwable): F[A]
- Definition Classes
- Catchable
-
abstract
def
pure[A](a: A): F[A]
- Definition Classes
- Monad
-
abstract
def
ref[A]: F[Ref[A]]
Create an asynchronous, concurrent mutable reference.
-
abstract
def
set[A](r: Ref[A])(a: F[A]): F[Unit]
Asynchronously set a reference.
Asynchronously set a reference. After the returned
F[Unit]is bound, the task is running in the background. Multiple tasks may be added to aRef[A].Satisfies:
set(r)(t) flatMap { _ => get(r) } == t. - abstract def setFree[A](r: Ref[A])(a: Free[F, A]): F[Unit]
-
abstract
def
suspend[A](fa: ⇒ F[A]): F[A]
Returns an
F[A]that evaluates and runs the providedfaon each run.Returns an
F[A]that evaluates and runs the providedfaon each run.- Definition Classes
- Effect
Concrete Value Members
-
final
def
!=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
- Definition Classes
- AnyRef → Any
- def +(other: String): String
- def ->[B](y: B): (Async[F], B)
-
final
def
==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
asInstanceOf[T0]: T0
- Definition Classes
- Any
-
def
async[A](register: ((Either[Throwable, A]) ⇒ Unit) ⇒ F[Unit]): F[A]
Create an
F[A]from an asynchronous computation, which takes the form of a function with which we can register a callback.Create an
F[A]from an asynchronous computation, which takes the form of a function with which we can register a callback. This can be used to translate from a callback-based API to a straightforward monadic version. -
def
clone(): AnyRef
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
def
delay[A](a: ⇒ A): F[A]
Promotes a non-strict value to an
F, catching exceptions in the process.Promotes a non-strict value to an
F, catching exceptions in the process. Evaluatesaeach time the returned effect is run.- Definition Classes
- Effect
- def ensuring(cond: (Async[F]) ⇒ Boolean, msg: ⇒ Any): Async[F]
- def ensuring(cond: (Async[F]) ⇒ Boolean): Async[F]
- def ensuring(cond: Boolean, msg: ⇒ Any): Async[F]
- def ensuring(cond: Boolean): Async[F]
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
def
equals(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
def
finalize(): Unit
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @throws( classOf[java.lang.Throwable] )
- def formatted(fmtstr: String): String
-
def
get[A](r: Ref[A]): F[A]
Obtain the value of the
Ref, or wait until it has beenset. -
final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
-
def
hashCode(): Int
- Definition Classes
- AnyRef → Any
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def map[A, B](a: F[A])(f: (A) ⇒ B): F[B]
-
def
modify[A](r: Ref[A])(f: (A) ⇒ A): F[Change[A]]
Repeatedly invoke
tryModify(f)until it succeeds. -
final
def
ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
final
def
notify(): Unit
- Definition Classes
- AnyRef
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
- def parallelTraverse[A, B](s: Seq[A])(f: (A) ⇒ F[B]): F[Vector[B]]
-
def
read[A](r: Ref[A]): Future[F, A]
The read-only portion of a
Ref. -
def
refOf[A](a: A): F[Ref[A]]
Create an asynchronous, concurrent mutable reference, initialized to
a. - def setPure[A](r: Ref[A])(a: A): F[Unit]
-
def
start[A](f: F[A]): F[F[A]]
Begin asynchronous evaluation of
fwhen the returnedF[F[A]]is bound.Begin asynchronous evaluation of
fwhen the returnedF[F[A]]is bound. The innerF[A]will block until the result is available. -
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
def
toString(): String
- Definition Classes
- AnyRef → Any
-
def
traverse[A, B](v: Seq[A])(f: (A) ⇒ F[B]): F[Vector[B]]
- Definition Classes
- Monad
-
def
tryModify[A](r: Ref[A])(f: (A) ⇒ A): F[Option[Change[A]]]
Try modifying the reference once, returning
Noneif another concurrentsetormodifycompletes between the time the variable is read and the time it is set. -
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
- def →[B](y: B): (Async[F], B)