Would it make sense to implement Dyalog's ⎕FMT function? It should actually
be possible to mostly implement it in pure APL. Or, we could implement
something better (i.e. easier to use). It's definitely something that would
be useful in a generic library.
Regards,
Elias
On 29 May 2014 22:28, Juergen Sauermann <juergen.sauerm...@t-online.de>
wrote:
> Hi,
>
> output formatting is one of the most challenging tasks
> in an APL2 interpreter. The rules governing this are spread
> over different chapter in the APL2 language reference and
> seem to be different in the ISO standard. Even the examples
> in the language reference and in the standard differ occasionally.
>
> I have tried to emulate IBM APL2 as good as possible, but some
> differences may still exist.
>
> The method for discarding a value *Z *seems to be *0 0⍴**Z* instead
> of *0⍴Z* these days. A smarter one could be monadic ⍪ ("table")
> which turns an empty vector into an empty matrix (as does *0 0⍴*).
>
> /// Jürgen
>
>
>
> On 05/29/2014 02:55 AM, David B. Lamkins wrote:
>
> On Wed, 2014-05-28 at 18:11 -0500, Blake McBride wrote:
>
> Dear David,
>
>
> Thanks for the idiom reference!
>
>
> You're welcome. :)
>
>
> With a lot of respect, I think you missed my point. The APL 1 idiom
> works as you want and expect in APL 1, APL 2, and GNU APL. Look
> closely at my example.
>
>
> On the other hand, if it is I who is missing the point (quite
> possible), please explain.
>
>
> No, you're entirely correct. I misunderstood what I was seeing in a
> different context, I think.
>
> Not enough sleep... :(
>
> Thanks again.
>
>
>
>
>
>
>
