Pure win: Array.from and Array.of

Allen Wirfs-Brock allen at wirfs-brock.com
Sun Jul 10 10:32:33 PDT 2011


On Jul 10, 2011, at 10:23 AM, Brendan Eich wrote:

> On Jul 10, 2011, at 10:18 AM, Rick Waldron wrote:
> 
>> The more I think about it, I still can't come up with any really exciting use cases where Array.of would outshine anything that already exists. I say strike it from the wishlist.
> 
> Higher-order programming with Array as constructing-function bites back for the single-number-argument case. That's where Array.of helps.

Yes, if you actually need to pass Array.of as a function argument.  Of course if we have block lambdas you could just say:

     hof({|a|[a]})
instead of
     hof(Array.of)

Allen


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.mozilla.org/pipermail/es-discuss/attachments/20110710/a787c39b/attachment.html>


More information about the es-discuss mailing list