Martin Baker wrote:
>
> On 18/09/16 18:41, Waldek Hebisch wrote:
> >
> > I got caught by Spad weirdness. In Spad
> >
> > "string"::OutputForm
> >
> > is the same as
> >
> > "string"@OutputForm
> >
> > which gives the same result as
> >
> > message("string")
> >
> > that is without string quotes. OTOH
> > ss : String := "string"
> > ss::OutputForm
> >
> > is the same as interpreter "string"::OutputForm and adds
> > string quote. I am thinking about removing the special
> > handling of '"string"@OutputForm' from Spad compiler.
> > There seem to be several uses of this in algebra, so there
> > is some work adjusting. But still I think that removing this
> > irregularity is better.
>
> I think the main problem is much simpler than that, its not doing
> anything with the result, it should assign it to variable 's'.
Yes. However, all I can do for this is to be more careful
and avoid distractions. The strange behaviour of '"string"::OutputForm'
was a distraction and this we can fix.
BTW: Normal Spad style is to omit 's' and write code like
n case lf =>
(n.lf)::OutputForm
n case nd =>
....
...
--
Waldek Hebisch
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