A reprieve for ES6 comprehensions

[Tab Atkins Jr.]

On Fri, Jun 6, 2014 at 1:57 PM, Andy Wingo <wingo at igalia.com> wrote:
> 1: Essential differences
> ==
>
> Array comprehensions are eager.  Generator comprehensions are lazy.
> Array comprehensions desugar into a do expression à la ES7.  Generator
> comprehensions desugar into an IIGFE (immediately-invoked generator
> function expression) -- sorta, anyway.  (Generator function desugaring
> is not exact due to arguments/this/etc scoping and properties on the
> generator function.)
>
> This is an essential difference in the use of the iterator, and so it
> makes sense to distinguish these at the source level as well.

I'm not sure I understand.  Is this an argument against Python's use
of similar syntaxes as well?  That is, do you also disagree with
Python's high similarity between array comprehensions and generator
comprehensions?

~TJ