Re: Elisp lexical-let

[Andy Wingo]

On Wed 22 Jul 2009 11:11, Daniel Kraft <address@hidden> writes:

> And checks with the cl package's implementation of lexical-let give the
> result, that an inner let does the same as if it was another
> lexical-let; that is, does not revert to dynamic binding but rather sets
> only the lexical value.

Interesting -- so it has to codewalk the contained expressions,
replacing let on its variables with appropriate lexical constructs?

> So, what are the opinions regarding lexical-let as an extension
> construct? Regarding the behaviour, to me the one described above seems
> to be a consequence of the implementing with unwind-protect and not
> necessarily expected -- thus I suggest to implement the version I had in
> mind, namely that an inner let or argument binding inside a lambda
> reverts to dynamic binding for that inner scope.  This seems more
> consistent and reasonable to me.

I'm afraid we're going to have to do whatever the existing lexical-let
does, if possible.

Andy
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