Yes, (count mat8x8) is the appropriate method
Using meta was my mistake to avoid passing the matrix dimension over
and over again.
On May 18, 2:23 pm, "Heinz N. Gies" <he...@licenser.net> wrote:
> On May 18, 2010, at 14:13 , gL wrote:
>
>
>
> > Hi
>
> > is it good coding style to
>
> > (def mat8x8
> > (with-meta
> > [[0 0 0 0 0 0 0 0]
> ...
> > [0 0 0 0 0 0 0 0]]
> > {:dim 8}))
>
> > and later on to retrieve the matrix dimension with "(:dim (meta
> > <arg>)"?
>
> I personally would say no, since the dimension is data not meta information,
> then again I'm never sure myself when to use meta. I'd go with something like
> a map that holds :data (the map) and :dim (the dimension) or just do (count
> mat8x8).
>
> Regards,
> Heinz
>
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