Jason Orendorff wrote:
On Mon, Aug 11, 2014 at 8:03 AM, Kevin Smith<[email protected]> wrote:
> I still don't quite understand the motivation for removing comprehensions
> from ES6. They are a well-loved feature of Python and I have every reason
> to believe that they would be well-liked in Javascript.
I agree. It would be great to understand what happened here.
The original rationale was to make room for some more extensible
comprehension syntax for ES7, but is that really going to happen? Is
anyone currently interested in championing it?
Dave is waylaid by illness so I'll quickly supply the links to his gists
showing alternatives to the version of Peter Norvig's Sudoku solver in
JS that used array comprehensions and generator expressions:
https://github.com/dherman/sudoku
(This is linked to from the meeting notes, under
http://esdiscuss.org/notes/2014-07-30#4-7-revisit-comprehension-decision-from-last-meeting-
of course.)
Quoting a bit from Dave's github:
"""
Several different ports of Norvig's Sudoku solver
<http://norvig.com/sudoku.html> to JavaScript, to elucidate differences
between a few features:
* the originally planned ES6 comprehensions;
* a possible ES7 proposal to generalize and supersede those
comprehensions;
* combinator methods with arrow-function shorthand
This is a cleaned up version of this JavaScript port
<http://mxr.mozilla.org/mozilla-central/source/js/src/tests/ecma_6/Comprehensions/sudoku.js?raw=1>.
"""
HTH,
/be
_______________________________________________
es-discuss mailing list
[email protected]
https://mail.mozilla.org/listinfo/es-discuss
