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make FlowOps(Mat).Repr(Mat) safe and precise

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This commit is contained in:
Roland Kuhn 2015-12-30 21:15:04 +01:00
parent cf1a5611a8
commit ec3858e893
4 changed files with 45 additions and 25 deletions
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akka-stream/src/main/scala/akka/stream/scaladsl/Graph.scala
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@ -922,10 +922,9 @@ object GraphDSL extends GraphApply {
def to[Mat2](sink: Graph[SinkShape[Out], Mat2]): Closed =
super.~>(sink)(b)
}
private class DisabledPortOps[Out, Mat](msg: String) extends PortOpsImpl[Out](null, null) {
private class DisabledPortOps[Out](msg: String) extends PortOpsImpl[Out](null, null) {
override def importAndGetPort(b: Builder[_]): Outlet[Out] = throw new IllegalArgumentException(msg)
override def via[T, Mat2](flow: Graph[FlowShape[Out, T], Mat2]): Repr[T] =