From: "Pascal J. Bourguignon" <pjb@informatimago.com>
To: help-gnu-emacs@gnu.org
Subject: Re: elisp newbie: simplifying from cl structures?
Date: Sun, 08 Feb 2015 01:37:01 +0100 [thread overview]
Message-ID: <87mw4pnsr6.fsf@kuiper.lan.informatimago.com> (raw)
In-Reply-To: mailman.19493.1423351600.1147.help-gnu-emacs@gnu.org
John Mastro <john.b.mastro@gmail.com> writes:
>> (defun change-smtp ()
>> "Change the SMTP server according to the current from line."
>> (save-excursion
>> (cl-loop with from = (save-restriction
>> (message-narrow-to-headers)
>> (message-fetch-field "from"))
>> for (address server port) in smtp-accounts
>> if (string-match address from)
>> return (funcall 'set-smtp server port address))
>> (error "Cannot infer SMTP information.")))
>
> Second try. The return won't escape the `error' in the above.
>
> (defun change-smtp ()
> "Change the SMTP server according to the current from line."
> (save-excursion
> (cl-loop with from = (save-restriction
> (message-narrow-to-headers)
> (message-fetch-field "from"))
> for (address server port) in smtp-accounts
> if (string-match address from)
> return (funcall 'set-smtp server port address)
> finally (error "Cannot infer SMTP information."))))
do (if (string-match address from)
(return (funcall 'set-smtp server port address)))
finally (error "Cannot infer SMTP information.")
will.
--
__Pascal Bourguignon__ http://www.informatimago.com/
“The factory of the future will have only two employees, a man and a
dog. The man will be there to feed the dog. The dog will be there to
keep the man from touching the equipment.” -- Carl Bass CEO Autodesk
next prev parent reply other threads:[~2015-02-08 0:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-07 22:39 elisp newbie: simplifying from cl structures? Tory S. Anderson
2015-02-07 23:16 ` John Mastro
2015-02-07 23:26 ` John Mastro
[not found] ` <mailman.19493.1423351600.1147.help-gnu-emacs@gnu.org>
2015-02-08 0:37 ` Pascal J. Bourguignon [this message]
2015-02-08 3:33 ` Tory S. Anderson
[not found] ` <mailman.19507.1423366427.1147.help-gnu-emacs@gnu.org>
2015-02-08 3:37 ` Pascal J. Bourguignon
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