[continuations plugin] Can I use reify and ControlContext directly?

Will I lose any performance optimization?Here's my code (with akka 2.0-M3): 

import util.continuations._import akka.dispatch.{ExecutionContext, Promise}
object AsFuture {  def apply[T](ctx: => T@suspendable)(implicit executor: ExecutionContext) = {    val ctxR = reify[T,Unit,Unit](ctx)    if (ctxR.isTrivial)      Promise.successful(ctxR.getTrivialValue.asInstanceOf[T])    else {      val promise = Promise[T]()      ctxR.foreachFull(promise.success(_), promise.failure(_))      promise    }  }}