[cdr-discuss] Three RFCs

Leslie P. Polzer leslie.polzer at gmx.net
Tue Mar 18 11:09:11 UTC 2008


> But according to the current spec, ` need not expand into anything at
> all.  What I am challenging is your assertion that there should be a
> single ("the") backquote object that ` always expands to.

It would be handy and add consistency (why is the expansion for quote
defined but not the one for backquote?).


>> Whereas SBCL seems to have some things going on under the hood:
>
> Yes, it does: it performs read-time optimizations, as it is allowed
> to.  If you want to disallow those read-time optimizations, that's
> fine, but you then have to make a case for that (rather than simply
> begging the question by assuming that they are never performed).

I didn't mean to beg the question, I intend to have a honest
conversation. It's just that I didn't know of these optimizations.

Do you have any idea of the performance impact here?

  Leslie




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