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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: "Drew Adams" <drew.adams@oracle.com>
Cc: 11407@debbugs.gnu.org
Subject: bug#11407: 24.0.96; Doc for lexical binding in Elisp manual
Date: Fri, 04 May 2012 14:05:42 -0400	[thread overview]
Message-ID: <jwvlil7ddu3.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <0D926161E319481BA418EA6630D79622@us.oracle.com> (Drew Adams's message of "Fri, 4 May 2012 10:10:55 -0700")

tags 11407 wontfix
thanks

> With the arrival of lexical scoping in Emacs 24, it is even more
> important, not less, that the Elisp manual document `lexical-let(*)'.

Why?  I intend to mark lexical-let as obsolete in 24.2.

> (defun foo (arg)
>   (lexical-let ((beta  (something)))
>     #'(lambda () (alpha arg beta))))
 
> Does the closure here treat ARG as lexically bound by the `defun', or is
> ARG a dynamically bound free var in the lambda?  I believe the answer it

The behavior is largely the result of some accidental design decisions
taken years ago in the implementation of lexical-let, and I have no
intention to document the result.


        Stefan





  reply	other threads:[~2012-05-04 18:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-04 17:10 bug#11407: 24.0.96; Doc for lexical binding in Elisp manual Drew Adams
2012-05-04 18:05 ` Stefan Monnier [this message]
2012-05-04 18:25   ` Drew Adams
2012-05-04 21:08     ` Drew Adams

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