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]> 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] <javascript:;> [mailto:
> [email protected] <javascript:;>] On Behalf Of
> David Lambert
> Sent: perjantaina 4. joulukuuta 2015 5.14
> To: programming <[email protected] <javascript:;>>
> 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]
> <javascript:;> wrote:
> > Date: Fri, 4 Dec 2015 03:05:50 +0000
> > From: Lippu Esa<[email protected] <javascript:;>>
> > To:"[email protected] <javascript:;>" <
> [email protected] <javascript:;>>
> > 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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