Add future method to ExecutionContext trait. Log uncaught exceptions to stderr.

1 files changed, 7 insertions, 9 deletions

diff --git a/src/library/scala/concurrent/ExecutionContext.scala b/src/library/scala/concurrent/ExecutionContext.scala
index d54b6c370e..9606c28bab 100644
--- a/src/library/scala/concurrent/ExecutionContext.scala
+++ b/src/library/scala/concurrent/ExecutionContext.scala
@@ -12,24 +12,22 @@ trait ExecutionContext {
   
   def execute(task: Runnable): Unit
   
-  def task[T](task: () => T): Task[T]
+  def task[T](task: => T): Task[T]
   
   def promise[T]: Promise[T]
   
+  def future[T](body: => T): Future[T] = {
+    val t = task(body)
+    t.start()
+    t.future
+  }
+
   /** Only callable from the tasks running on the same execution context. */
   def blockingCall[T](body: Blockable[T]): T
   
 }
 
 
-object ExecutionContext {
-
-  lazy val forNonBlocking = new ForkJoinExecutionContext
-
-  //lazy val forBlocking = new BlockingExecutionContext
-
-}
-
 
 sealed trait CanBlock