Minimize the public API

 - Remove the CPS fallback version of async. That was not intended
   to be part of 1.0.
 - Lookup the await method beside the macro, rather than requiring
   all calls to go to AsyncBase.await.
 - Create a minimal version of Async that just contains await/async
   and delegates to the macro implementation in internal._
 - Add scaladoc.

1 files changed, 0 insertions, 7 deletions

diff --git a/src/main/scala/scala/async/internal/FutureSystem.scala b/src/main/scala/scala/async/internal/FutureSystem.scala
index f7fdc49..9fe88b4 100644
--- a/src/main/scala/scala/async/internal/FutureSystem.scala
+++ b/src/main/scala/scala/async/internal/FutureSystem.scala
@@ -51,9 +51,6 @@ trait FutureSystem {
 
     def spawn(tree: Tree, execContext: Tree): Tree =
       future(Expr[Unit](tree))(Expr[ExecContext](execContext)).tree
-
-    // This is only needed in `AsyncBaseWithCPSFallback` and should be removed once CPS fall-back support is dropped.
-    def castTo[A: WeakTypeTag](future: Expr[Fut[Any]]): Expr[Fut[A]]
   }
 
   def mkOps(c: SymbolTable): Ops { val universe: c.type }
@@ -96,9 +93,5 @@ object ScalaConcurrentFutureSystem extends FutureSystem {
       prom.splice.complete(value.splice)
       Expr[Unit](Literal(Constant(()))).splice
     }
-
-    def castTo[A: WeakTypeTag](future: Expr[Fut[Any]]): Expr[Fut[A]] = reify {
-      future.splice.asInstanceOf[Fut[A]]
-    }
   }
 }