Added some docs.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/library/scala/concurrent/FutureTaskRunner.scala b/src/library/scala/concurrent/FutureTaskRunner.scala
index 48ad0817a2..fe3728861f 100644
--- a/src/library/scala/concurrent/FutureTaskRunner.scala
+++ b/src/library/scala/concurrent/FutureTaskRunner.scala
@@ -1,17 +1,27 @@
 package scala.concurrent
 
-/** The <code>FutureTaskRunner</code> trait...
+/** The <code>FutureTaskRunner</code> trait is a base trait of thread runners
+ *  that provide some sort of future abstractions.
  *
  *  @author Philipp Haller
  */
 trait FutureTaskRunner extends TaskRunner {
 
+  /** The type of the futures that are provided.
+   */
   type Future[T]
 
+  /** An implicit conversion from futures to zero-parameter functions
+   */
   implicit def futureAsFunction[S](x: Future[S]): () => S
 
+  /** Submits a task to run which returns its result in a futir
+   */
   def submit[S](task: Task[S]): Future[S]
 
+   /* Possibly blocks the current thread, for example waiting for
+    * a lock or condition.
+    */
   def managedBlock(blocker: ManagedBlocker): Unit
 
 }