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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2005-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.actors
import scala.language.implicitConversions
private[actors] trait Combinators {
/**
* Enables the composition of suspendable closures using `andThen`,
* `loop`, `loopWhile`, etc.
*/
implicit def mkBody[a](body: => a): InternalActor.Body[a]
/**
* Repeatedly executes `body`.
*
* @param body the block to be executed
*/
def loop(body: => Unit): Unit = body andThen loop(body)
/**
* Repeatedly executes `body` while the condition `cond` is `true`.
*
* @param cond the condition to test
* @param body the block to be executed
*/
def loopWhile(cond: => Boolean)(body: => Unit): Unit =
if (cond) { body andThen loopWhile(cond)(body) }
else continue
/**
* Continues with the execution of the closure registered as
* continuation following `andThen`. Continues with the execution
* of the next loop iteration when invoked inside the body of `loop`
* or `loopWhile`.
*/
def continue(): Unit = throw new KillActorControl
}
|
