Re: CL vs scheme macros, namespaces.
Adrian Kubala <adrian-news@xxxxxxxxxxxxxxxxxx> writes:
> On 2006-01-27, jayessay <nospam@xxxxxxx> wrote:
> > ((lambda (x) (funcall x 0)) (symbol-function 'vec))
> > You're next comment will probably be something like 'that's
> > ugly/verbose/...', not realizing that you can easily "fix" that as
> > well (hint: macros).
>
> No, you need to be able to have both these work:
> ((lambda (x) (x 0)) vec)
> ((lambda (x) (aref x 0)) vec)
>
> That's the whole point of the original trick; being able to use a vector
> as either a function OR a vector. Of course, it can't work, because the
> dual-meaning is tied to the symbol, not the value.
No, the dual _meanings_ come from different _usage patterns_. These,
of course, can be distinguished. If you say you don't want to make
such distinction, then you really do not want what you said you want
above.
/Jon
--
'j' - a n t h o n y at romeo/charley/november com
.
Relevant Pages
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