https://github.com/atry/commons-continuations

Utilities for Scala continuations
https://github.com/atry/commons-continuations

Last synced: about 1 year ago
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Utilities for Scala continuations

• Host: GitHub
• URL: https://github.com/atry/commons-continuations
• Owner: Atry
• License: apache-2.0
• Created: 2012-03-12T14:51:49.000Z (over 14 years ago)
• Default Branch: master
• Last Pushed: 2014-08-25T14:52:19.000Z (almost 12 years ago)
• Last Synced: 2025-03-24T04:11:47.284Z (about 1 year ago)
• Language: Scala
• Homepage:
• Size: 295 KB
• Stars: 10
• Watchers: 5
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
**commons-continuations** is a collection of utilities which is designed to help Scala programmers to work with continuations.

# Features

## Allow `for` statement with a suspendable code block.

	import com.dongxiguo.commons.continuations.CollectionConverters._

	import scala.util.continuations.shiftUnit

	val mySeq = Seq("foo", "bar", "baz")

	val results = for (element in mySeq.asSuspendable.par) yield {

	  shiftUnit("Result from a suspendable expression: " + element)

	}

## Hang up a continuation

	import com.dongxiguo.commons.continuations.Hang

	import scala.util.continuations.shift

	shift(Hang)

## The `goto` statement

	import com.dongxiguo.commons.continuations.Label

	val repeatPoint = Label()

	doSomething()

	repeatePoint.goto() // Infinite loop

## Use continuation with NIO2 socket.

See [AsynchronousInputStream](https://github.com/Atry/commons-continuations/blob/master/src/main/scala/com/dongxiguo/commons/continuations/io/AsynchronousInputStream.scala)

and [SocketWritingQueue](https://github.com/Atry/commons-continuations/blob/master/src/main/scala/com/dongxiguo/commons/continuations/io/SocketWritingQueue.scala).

# Repository

If you use Sbt, add following lines to you `build.sbt`:

	

	libraryDependencies += "com.dongxiguo" %% "commons-continuations" % "0.2.2"

Note that `commons-continuations` requires Scala version `2.10.x` or `2.11.x`.