Re: A question about macro bindings in cl-lib

[Stephen Berman <stephen.berman@gmx.net>]

On Wed, 24 Apr 2013 16:17:42 +0800 Xue Fuqiao <xfq.free@gmail.com> wrote:

> In (info "(cl) Macro Bindings"):
>
>   (cl-defmacro my-dolist ((x list) &rest body)
>     (let ((var (cl-gensym)))
>       (list 'cl-loop 'for var 'on list 'do
>             (cl-list* 'cl-symbol-macrolet
>                       (list (list x (list 'car var)))
>                       body))))
>   (setq mylist '(1 2 3 4))
>   (my-dolist (x mylist) (cl-incf x))
>   mylist
>        => (2 3 4 5)
>
>   The `my-dolist' call shown here expands to
>
>   (cl-loop for G1234 on mylist do
>         (cl-symbol-macrolet ((x (car G1234)))
>           (cl-incf x)))
>
> I understand what this macro does, but what does "G1234" mean here?

Does the doc string of cl-gensym answer the question for you?  If not,
can you make the question more specific?

Steve Berman