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From: Drew Adams <drew.adams@oracle.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>, help-gnu-emacs@gnu.org
Subject: RE: run-with-timer does not display message
Date: Sat, 19 Jul 2014 11:04:53 -0700 (PDT)	[thread overview]
Message-ID: <167e76cf-1894-4bd2-9141-51d1361da288@default> (raw)
In-Reply-To: <jwvpph1e0qt.fsf-monnier+gmane.emacs.help@gnu.org>

> >> M-: (run-with-timer 5 nil '(lambda () (message "hello")))
> >                             ^^^^^^^^
> 
> I'm focusing on trying to kill the nasty '(lambda ...) habit that
> people keep reproducing all over the place because it appears in
> so many examples.

And we might as well say *why* it should be killed: When you quote
a lambda form, the code simply creates a *list* (whose car is `lambda'
etc.) when it is evaluated.  That list can then be interpreted as a
function (or not, depending on the context - it is just a list).

But if you do not quote, then the lambda form is understood
immediately as being a *function*.  And that means that occurrences
of that function can be byte-compiled etc.



  reply	other threads:[~2014-07-19 18:04 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-15 13:47 run-with-timer does not display message Matthias Pfeifer
2014-07-15 13:53 ` Thorsten Jolitz
2014-07-18 16:26   ` Stefan Monnier
     [not found]   ` <mailman.5631.1405701027.1147.help-gnu-emacs@gnu.org>
2014-07-18 21:34     ` Emanuel Berg
2014-07-19 15:09       ` Sebastian Wiesner
2014-07-19 15:27         ` Eli Zaretskii
2014-07-19 17:08           ` Stefan Monnier
2014-07-19 18:04             ` Drew Adams [this message]
     [not found]           ` <mailman.5702.1405789759.1147.help-gnu-emacs@gnu.org>
2014-07-19 17:43             ` Emanuel Berg
2014-07-19 18:12               ` Stefan Monnier
2014-07-19 20:06                 ` Lexical and Dynamic Scope Robert Thorpe
2014-07-20 12:15               ` run-with-timer does not display message Sebastian Wiesner
2014-07-21 13:26                 ` Stefan Monnier
     [not found]               ` <mailman.5708.1405793578.1147.help-gnu-emacs@gnu.org>
2014-07-20 19:27                 ` Emanuel Berg
2014-07-21 13:29                   ` Stefan Monnier
     [not found]                   ` <mailman.5813.1405950328.1147.help-gnu-emacs@gnu.org>
2014-07-21 22:17                     ` Emanuel Berg
2014-07-24  8:25                       ` Stefan Monnier
     [not found]               ` <mailman.5754.1405858540.1147.help-gnu-emacs@gnu.org>
2014-07-20 19:37                 ` Emanuel Berg
2014-07-20 20:11                   ` Drew Adams
2014-07-20 21:28                 ` dynamic and lexical scope, attempted summary with example (was: Re: run-with-timer does not display message) Emanuel Berg
2014-07-21  4:44                   ` dynamic and lexical scope, attempted summary with example Thien-Thi Nguyen
2014-07-21  6:36                     ` Thorsten Jolitz
     [not found]                     ` <mailman.5796.1405924598.1147.help-gnu-emacs@gnu.org>
2014-07-21 14:08                       ` Emanuel Berg
2014-07-21  9:23                   ` Michael Heerdegen
     [not found]                   ` <mailman.5792.1405917701.1147.help-gnu-emacs@gnu.org>
2014-07-21 13:36                     ` Emanuel Berg
2014-07-21 17:07                       ` Thien-Thi Nguyen
     [not found]                       ` <mailman.5826.1405962249.1147.help-gnu-emacs@gnu.org>
2014-07-21 22:11                         ` Emanuel Berg
     [not found]                   ` <mailman.5805.1405934637.1147.help-gnu-emacs@gnu.org>
2014-07-21 14:02                     ` Emanuel Berg
     [not found]       ` <mailman.5686.1405782584.1147.help-gnu-emacs@gnu.org>
2014-07-19 17:49         ` run-with-timer does not display message Emanuel Berg
     [not found] ` <mailman.5455.1405432451.1147.help-gnu-emacs@gnu.org>
2014-07-15 15:35   ` Emanuel Berg
     [not found] <mailman.5454.1405432029.1147.help-gnu-emacs@gnu.org>
2014-07-15 14:34 ` Joost Kremers
2014-07-15 15:18   ` jduthen
2014-07-15 15:20     ` Joost Kremers
2014-07-15 15:40       ` Drew Adams
     [not found]       ` <mailman.5461.1405438875.1147.help-gnu-emacs@gnu.org>
2014-07-15 15:52         ` Joost Kremers
2014-07-15 15:57           ` Emanuel Berg
     [not found]           ` <mailman.5463.1405440423.1147.help-gnu-emacs@gnu.org>
2014-07-15 16:07             ` Emanuel Berg
2014-07-15 16:12             ` Joost Kremers
     [not found]               ` <mailman.5466.1405442248.1147.help-gnu-emacs@gnu.org>
2014-07-16  1:12                 ` Joost Kremers
2014-07-17 10:03                   ` Matthias Pfeifer
     [not found]             ` <<slrnlsakmh.a5k.joost.m.kremers@j.kremers4.news.arnhem.chello.nl>
2014-07-15 16:37               ` Drew Adams
     [not found]         ` <<slrnlsaji8.a5k.joost.m.kremers@j.kremers4.news.arnhem.chello.nl>
2014-07-15 16:06           ` Drew Adams

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