Pure win: Array.from and Array.of

Dmitry A. Soshnikov dmitry.soshnikov at gmail.com
Sun Jul 10 10:35:13 PDT 2011


On 10.07.2011 21:32, 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 <http://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)
>

Can you show a real use-case of it please?

Dmitry.
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