From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <n.goaziou@gmail.com>
Subject: Re: Tangling is broken in git master
Date: Mon, 13 Aug 2012 17:25:22 +0200
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In-Reply-To: <87393qyhst.fsf@gnu.org> (Bastien's message of "Mon, 13 Aug 2012
	16:42:42 +0200")
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To: Bastien <bzg@gnu.org>
Cc: Bernt Hansen <bernt@norang.ca>, emacs-orgmode@gnu.org, Eric Schulte <eric.schulte@gmx.com>

Hello,

Bastien <bzg@gnu.org> writes:

> Eric Schulte <eric.schulte@gmx.com> writes:
>
>> I'm surprised that elisp doesn't provide any mechanism for local
>> anonymous functions.  
>
> (let ((my-local-func (lambda (a) (message a))))
>      (funcall my-local-func "Hello!"))
>
> is fine.
>
> It's just for recursive local function -- letrec provides it now, 
> but apparently cl-labels was needed for that before.

You can have recursive local functions:

#+begin_src emacs-lisp
(let* (len                              ; For byte compiler.
       (len (lambda (l) (if (not l) 0
                     (1+ (funcall len (cdr l)))))))
  (funcall len '(1 2 3)))
#+end_src


Regards,

-- 
Nicolas Goaziou