One more pass on flatMap/mapMulti

[Tim Peierls]

How about Acceptor?

On Thu, Jan 10, 2013 at 10:54 AM, Brian Goetz <brian.goetz at oracle.com>wrote:

> Downstream:
>
>     /** A collector for values associated with a given input.  Values can
> be
>      * yielded individually, or in aggregates such as collections, arrays,
> or
>      * streams; aggregates are flattened, so that yielding an array
> containing
>      * [1, 2] is equivalent to yield(1); yield(2).
>      */
>     interface Downstream<U> {
>         void yield(U element);
>
>         default void yield(Collection<U> collection) {
>             for (U u : collection)
>                 yield(u);
>         }
>
>         default void yield(U[] array) {
>             for (U u : array)
>                 yield(u);
>         }
>
>         default void yield(Stream<U> stream) {
>             stream.forEach(this::yield);
>         }
>     }
>
> The basic idea is that this is a collector for values.  It was at one
> point called "collector" but now we have something else called Collector.
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