Expected ISE on forking/linking for sequential()/parallel() methods not always happen

[Paul Sandoz]

On Dec 25, 2012, at 3:28 PM, Dmitry Bessonov <dmitry.bessonov at oracle.com> wrote:

> I think here's another "implementations may..." spec casefound.
> 
> To throw "java.lang.IllegalStateException: Stream source is already 
> consumed" stream source should truly have been consumed as the following 
> doesn't throw anything:
> 
>         Stream<String> stream = Arrays.asList("a", "b", "c").stream();
>         stream.into((Stream.Destination) s -> {});
>         stream.into((Stream.Destination) s -> {});
>         stream.into((Stream.Destination) s -> {});
> 

That's because the destination does nothing with the Stream passed to it.

The EG is currently discussing how to remove/replace Stream.into. 

The example you present is a good one of the issues with that method.

Paul.