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Scala example source code file (CanReply.scala)
The Scala CanReply.scala source code/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2005-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.actors
/**
* Defines result-bearing message send operations.
*
* @author Philipp Haller
*
* @define actor `CanReply`
*/
trait CanReply[-T, +R] {
type Future[+P] <: () => P
/**
* Sends <code>msg to this $actor and
* awaits reply (synchronous).
*
* @param msg the message to be sent
* @return the reply
*/
def !?(msg: T): R
/**
* Sends <code>msg to this $actor and
* awaits reply (synchronous) within <code>msec
* milliseconds.
*
* @param msec the time span before timeout
* @param msg the message to be sent
* @return <code>None in case of timeout, otherwise
* <code>Some(x) where
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