please review draft JEP: Convenience Factory Methods for Collections

Wang Weijun at
Fri Jul 18 09:09:21 UTC 2014

A .with(k, v) to create a new immutable map with an extra pair.


On Jul 18, 2014, at 16:11, Michael Kay <mike at> wrote:

>> Well, Remi had proposed raising the limit. Suppose we offered 7 key-value pairs instead of 5. Would you then complain about having to rewrite your code if you had to add an 8th entry to the map? 
> Yes, I would. In fact, the higher you make the limit, the bigger the surprise when I find I cannot extend my code in the natural way by adding one more entry.
> Michael Kay
> Saxonica

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