Concat and zip

Tim Peierls tim at
Wed May 1 13:25:02 PDT 2013

On Wed, May 1, 2013 at 4:03 PM, Joe Bowbeer <joe.bowbeer at> wrote:

> In defense of zip: I think it is fairly important.  Ease of expression
> (and productivity) are still the most valuable benefits of new features,
> and zip is important for a class of problems.  zip exists in Python, Scala,
> and Groovy (as "transpose" method), to name a few.
> I would keep zip without Int/Long/Double versions.  This also avoids all
> the varieties of mixed primitive/Object pairings in zipped streams.

That sounds reasonable. I was going to say make the ref/ref version an
example in javadoc and then people can roll their own primitive/ref
versions, but maybe that's asking too much.


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