dmitry.soshnikov at gmail.com
Sun Feb 12 21:21:47 PST 2012
On Feb 12, 2012, at 9:17 PM, Brendan Eich wrote:
> Adam Shannon wrote:
>> Why not include iterators like zip, zipWith, foldLeft, and the like as well?
> foldLeft is called reduce around these parts ;-).
> We do need a good suite of iterators including zip, etc. Let's have a proposal here, we can refine it quickly.
True; a small note, Erlang has good standard library for lists including iterators: http://www.erlang.org/doc/man/lists.html, we can consider it and borrow some.
>> On Sun, Feb 12, 2012 at 18:52, Peter Michaux<petermichaux at gmail.com> wrote:
>>> In the proposal, iterators for Set are listed as todo. If engine
>>> implementers have decided to start moving forward implementing Sets,
>>> then it would be great if they could get iteration going sooner than
>>> Looking at the Array iterators...
>>> It doesn't seem very difficult to specify "forEach" as a proposal
>>> sketch. It just has to do the following, doesn't it?
>>> var s = new Set();
>>> "reduce", "every", and "some" seem similarly easy. "reduceRight" is
>>> unnecessary as a set has no order.
>>> "filter" and "map" are similarly easy but would return set objects.
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