Re: [External] : Re: Lexical vs. dynamic: small examples?

[Emanuel Berg]

Stefan Monnier via Users list for the GNU Emacs text editor wrote:

>> Ah... can't wait to remove all the
>>
>>   ;;; -*- lexical-binding: t -*-
>>
>> from my code :)
>
> That won't happen before all the files contain the above
> line, sadly.

Can't it be done with `lexical-let'?

It seems to work:

;;; this file:
;;;   http://user.it.uu.se/~embe8573/emacs-init/geh-dyn.el
;;;   https://dataswamp.org/~incal/emacs-init/geh-dyn.el

(require 'cl-lib)

(defun *a10 ()
  (* a 2) )

(defun mult ()
  (lexical-let ((a 10))
    (*a10) ))

;; (mult) ; *a10: Symbol’s value as variable is void: a

But sometimes it says (invalid-function (a 10)) - hm ...

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