Pure win: Array.from and Array.of

Brendan Eich brendan at mozilla.com
Sun Jul 10 10:38:33 PDT 2011


On Jul 10, 2011, at 10:32 AM, Allen Wirfs-Brock wrote:

> 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)

You know I <3 block-lambdas ;-).

/be

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