Doug Lea dl at
Wed Sep 26 07:27:30 PDT 2012

On 09/26/12 09:36, Joe Bowbeer wrote:
> All of the rules have implications for writers of new code that interfaces with
> legacy code.
> But only writers of new code are affected, right?

I think this mis-states the situation. Collections are
not treated as "legacy". Instead a new framework is
being offered (interposed), that is most appropriate
for dense (streamy/listy) sources, that are often collections.

So one useful goal is to have consistent rules that apply in these
situations, not necessarily for all possible uses of all possible


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