[Jprogramming] key

[Raul Miller]

More likely
   (, #)/..~

The downside of dyadic u in key is that it would break existing code.
Including, of course: ({. , #)/.~

FYI,

-- 
Raul

On Tue, Apr 16, 2013 at 6:48 AM, Ric Sherlock <tikkanz at gmail.com> wrote:
> I agree it would be nice. If I understand correctly, the proposed
> definition would allow the following replacement:
> (  ({. , #)/.~  )  becomes (  (, #)/.~  )
>
>
> On Tue, Apr 16, 2013 at 4:15 PM, Raul Miller <rauldmiller at gmail.com> wrote:
>
>> I have often wished for that.
>>
>> --
>> Raul
>>
>> On Mon, Apr 15, 2013 at 8:43 PM, Roger Hui <rogerhui.canada at gmail.com>
>> wrote:
>> > I have a question concerning your use of *key*.  Do you find yourself
>> > wishing that in x f/.y, the f would be invoked with a left argument which
>> > is key value corresponding to the items in the right argument?  This does
>> > not mean that the J definition or implementation will be changed, but to
>> > find out that if I have an opportunity to define/implement key in another
>> > context ;-) whether I should consider changing it.
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>>
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