Array Comprehensions

Herby Vojčík herby at
Sun Apr 16 16:36:00 UTC 2017

Ryan Birmingham wrote:
> Hello all,
> I frequently find myself desiring a short array or generator
> comprehension syntax. I'm aware that there are functional ways around
> use of comprehension syntax, but I personally (at least) love the syntax
> in the ES reference
> (
> The best previous discussion on this that I found was six years old
> ( and
> answers some of my questions, raising others. That said, I wanted to ask:
>   * Why is the Comprehension Syntax in the reference yet not more
>     standard? It feels almost like a tease.

IIRC, it was discussed here throroughly for ES6 (~2yrs ago?) and it was 
rejected in favour of .map/.filter/arrays fns.

>   * How do you usually approach or avoid this issue?
>   * Do you think we should look at improving and standardizing the
>     comprehension syntax?
> Thank you all for humoring me,
> -Ryan Birmingham
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