Re: Simplified slot access in goops

[Clinton Ebadi <clinton@unknownlamer.org>]

"Neil Jerram" <neiljerram@googlemail.com> writes:

> 2008/11/27 Maciek Godek <pstrychuj@gmail.com>:
>
>> Perhaps the possible inconvenience is that all variable
>> names that happen to be the slot names of a given class
>> are shadowed. In the long run it may also cause significant
>> performance problems (or that's what I think), especially
>> when dealing with objects with a hell lotta slots.
>>
>> I wonder if it would be possible to make it optimizable
>> for the JIT compiler somehow (and to make the "in" syntax
>> official part of GOOPS)
>
> I think this is a nice interface; but I'm less sure about the
> implementation.  Why do you need to use primitive-eval at all?
>
> Isn't CL's with-slots a bit like this?  It might help to look at how
> that is implemented.

with-slots uses symbol-macrolet[0] to bind each of the variable names to
symbol macros within its body. I don't know of anything in Guile that is
equivalent.


[0] http://franz.com/support/documentation/6.0/ansicl/dictentr/symbol-m.htm
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