Thanks. Typo. Should read what I write.

On Sat, Jun 2, 2012 at 11:00 AM, Raul Miller <rauldmil...@gmail.com> wrote:

> I think you meant
>
> ...things on the left of a ; ...
>
> instead of
>
> ..things on the left of a ;: ...
>
> --
> Raul
>
> On Sat, Jun 2, 2012 at 9:04 AM, Don Guinn <dongu...@gmail.com> wrote:
> >   a:;a:;a:
> > ┌──┬──┬┐
> > │┌┐│┌┐││
> > ││││││││
> > │└┘│└┘││
> > └──┴──┴┘
> >   a:;a:;<a:
> > ┌──┬──┬──┐
> > │┌┐│┌┐│┌┐│
> > ││││││││││
> > │└┘│└┘│└┘│
> > └──┴──┴──┘
> >
> > Things to the left of a ;: are always boxed. Those to the right are not
> > boxed if they are already boxed.
> >
> > On Sat, Jun 2, 2012 at 3:53 AM, Linda Alvord <lindaalv...@verizon.net
> >wrote:
> >
> >>   'a b c'=:a:;a:;a:
> >>   a
> >> ┌┐
> >> ││
> >> └┘
> >>   b
> >> ┌┐
> >> ││
> >> └┘
> >>   c
> >>
> >> Note that  c  is empty, but  a  and  b  are "empty boxes".
> >>
> >> Linda
> >>
> >> -----Original Message-----
> >> From: programming-boun...@jsoftware.com [mailto:
> >> programming-boun...@jsoftware.com] On Behalf Of Raul Miller
> >> Sent: Friday, June 01, 2012 10:41 AM
> >> To: Programming forum
> >> Subject: Re: [Jprogramming] take
> >>
> >> ; has two kinds of behaviors.
> >>
> >> One kind of behavior is evident when dealing with sentences where the
> >> supplied nouns are unboxed:
> >>
> >>   1;2;3
> >> +-+-+-+
> >> |1|2|3|
> >> +-+-+-+
> >>
> >> The other kind of behavior is evident when dealing with sentences where
> >> the supplied nouns are boxed:
> >>
> >>   a:;a:;a:
> >> +--+--++
> >> |++|++||
> >> ||||||||
> >> |++|++||
> >> +--+--++
> >>
> >> From a high level point of view, the rightmost element gets special
> >> treatment when it is already boxed.
> >>
> >> From a low level point of view, the rightmost element gets special
> >> treatment when it is unboxed.
> >>
> >> This distinction exists because of the structure of J's expression
> >> grammar. http://www.jsoftware.com/help/dictionary/dicte.htm
> >>
> >> In some ways, this issue is analogous to the distinction between a
> dotted
> >> pair and a normal list element in LISP (except, of course, J does not
> have
> >> cons cells -- dyadic verb definitions roughly occupy that role in the
> >> language).
> >>
> >> FYI,
> >>
> >> --
> >> Raul
> >>
> >> On Fri, Jun 1, 2012 at 8:46 AM, Steven Taylor <tayl...@gmail.com>
> wrote:
> >> > "Oh, that's the asymmetry of ; again!"
> >> >
> >> > I should have realised!  Oops.  I was pleased to find that a: worked
> >> > when I tried it.  Didn't see that in any of the documentation that I
> >> looked at.
> >> >
> >> > thanks,
> >> > -Steven
> >> >
> >> > On 1 June 2012 12:55, Brian Schott <schott.br...@gmail.com> wrote:
> >> >
> >> >> Bob (and Henry, of course),
> >> >>
> >> >> That is a terrific explanation. Thanx to both of you.
> >> >>
> >> >> On Fri, Jun 1, 2012 at 1:49 AM, bob therriault
> >> >> <bobtherria...@mac.com>
> >> >> wrote:
> >> >> > Hi Steven,
> >> >> >
> >> >> > If we aren't at the outer limits, you can see them from here :)
> >> >> >
> >> >> > The different levels of boxing actually have different selection
> >> >> methods. The best explanation I have seen is Henry Rich's "J for C
> >> >> Programmers - Chapter 17"
> >> >>
> http://www.jsoftware.com/help/jforc/more_verbs_for_boxes.htm#_Toc1917
> >> >> 34399
> >> >> >
> >> >> > Hope this helps.
> >> >> >
> >> >> > Cheers, bob
> >> >> >
> >> >>
> >> >>
> >> >> --
> >> >> (B=)
> >> >> ---------------------------------------------------------------------
> >> >> - For information about J forums see
> >> >> http://www.jsoftware.com/forums.htm
> >> >>
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