Static methods on Stream and friends
brian.goetz at oracle.com
Mon May 6 06:07:47 PDT 2013
> Now in b88, Streams contains only concat and zip, which seems odd.
> Isn't there more for Streams to do? Or is Streams going away?
And this was my next question.
There's a lot of package-private code, but at this point, no other
public entry points.
With static methods in interfaces, a lot of code that used to go in Foos
can now go in Foo. But I think it is definitely possible to take this
too far (think of the 5000 LoC currently in Collections; would we want
to move it *all* to the various Collection interfaces?)
Still, concat() has a decidedly different flavor to the other Stream
methods; all the other stream methods take stateless (and therefore
reusable) behavioral descriptions of how to produce transform a stream,
whereas concat() takes another *stream*, which will be consumed in the
So my inclination would be, if we keep these methods, to leave them in
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