On Sun, Jun 7, 2009 at 11:46 PM, Vladimir Sedach <vsedach@gmail.com> wrote:

So basically any form that introduces a lexical binding inside a
defun/lambda should correspond exactly to CL semantics (if not, it's a
bug!). Anything that's in the toplevel will either introduce a new
top-level lexical variable, or change the value of an existing one.

I have not tried out the lexical scoping yet, so I cannot be sure how this works. Is there a means of declaring variables special? So if you have

(defvar *g* 1)

(defun foo ()
   (let ((*g* 5))
      (declare (special *g*))
      (print-g)))
   (print-g))

(defun print-g () (print *g*))

It will 51 and not 11 or 55? I am unsure of the current semantics of let--whether anything is treated as dynamic and rebound, etc. Is the manual up to date?

Best,
Red

I guess one thing that can be done is to wrap any let forms in the
toplevel into a lambda that's called right then and there. I
personally don't like the toplevel/non-toplevel dimorphism in the
generated code so I'm not going to do it unless a compelling reason is
found.

Vladimir

> Daniel
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