And you can use a fork in the definition of a conjunction:
of =: 2 : 'v@[ u v@]'
4 + of *: 5
41
On Thursday, December 3, 2015, Kip Murray <[email protected]> wrote:
> A fork is not a conjunction but it shows what you are doing:
>
>
> 4 (*:@[ + *:@]) 5
> 41
>
>
> On Thursday, December 3, 2015, Lippu Esa <[email protected]
> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>
>> It is 5:17 AM in Finland and I already have two good answers. Thank you
>> David and Pascal!
>>
>> It seems that I haven't been using Compose either :) . But at least I
>> knew that this is the place to be.
>>
>> Thanks again,
>>
>> Esa
>>
>> -----Original Message-----
>> From: [email protected] [mailto:
>> [email protected]] On Behalf Of David Lambert
>> Sent: perjantaina 4. joulukuuta 2015 5.14
>> To: programming <[email protected]>
>> Subject: Re: [Jprogramming] My first J conjuction
>>
>> I expect you'll get many of the same response. Your conjunction is
>> fine, however this particular case is so frequent there's a built in
>> conjunction. Read "but first",
>> x f&g y
>> or
>> x f&:g y
>> the difference being rank. Add but first square:
>>
>> 4 +&: *: 5
>> 41
>>
>>
>> On 12/03/2015 10:05 PM, [email protected] wrote:
>> > Date: Fri, 4 Dec 2015 03:05:50 +0000
>> > From: Lippu Esa<[email protected]>
>> > To:"[email protected]" <[email protected]>
>> > Subject: [Jprogramming] My first J conjuction
>> > Message-ID: <4C1D3F3685BCAE4699AA47F9961903BA33126CC3@VDOMES02>
>> > Content-Type: text/plain; charset="us-ascii"
>> >
>> > Hello everybody,
>> >
>> > I realized with some shame that I haven't written a single J
>> conjunction - ever. Some adverbs, yes, but they too are newish.
>> >
>> > I have a recurring need for sentences like (f x) g f y where verb f is
>> applied to nouns x and y and dyadic verb g is then applied to the two
>> results.
>> >
>> > and was thinking of something like x f c g y with c being a conjuction.
>> This is what was the result:
>> >
>> > fxgfy=: 2 : 0
>> > :
>> > (v x) u v y
>> > )
>> >
>> > 4 + fxgfy *: 5 NB. very simple example
>> >
>> > 4 + fxgfy *: 5
>> > 41
>> >
>> > Is there a more natural J way to do this? What would be a good name for
>> this type of conjunction or operation?
>> >
>> > Esa
>>
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>
>
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