From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: Defining functions within functions?
Date: Wed, 25 May 2016 04:36:16 -0400 [thread overview]
Message-ID: <jwva8je4jug.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: 87vb2264mb.fsf@mbork.pl
> The reason is simple: I have this long, almost 60-lines function, with
> three levels of lambdas nested. (I'm using request.el, and I have to
> make two requests sequentially, so I have a callback inside a callback.
> I could probably use deferred or something, this is one of the ideas.)
> It's just pretty complicated, and changing anything in this code is
> a headache. Also, edebugging is simpler with separate instrumentable
> defuns.
These kinds of callback codes are often described as "CPS-style code",
and in some cases a couple of macros can go a long way to hiding this
machinery and give the illusion of "plain old sequential code", reducing
the nesting madness.
Stefan
next prev parent reply other threads:[~2016-05-25 8:36 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-23 5:13 Defining functions within functions? Marcin Borkowski
2016-05-23 5:34 ` Eric Abrahamsen
2016-05-24 21:28 ` Marcin Borkowski
2016-05-23 20:09 ` Michael Heerdegen
2016-05-24 21:31 ` Marcin Borkowski
2016-05-24 21:56 ` Drew Adams
2016-05-24 22:10 ` Carlos Konstanski
2016-05-25 6:21 ` Marcin Borkowski
[not found] ` <mailman.224.1464127813.1216.help-gnu-emacs@gnu.org>
2016-05-24 22:21 ` Emanuel Berg
2016-05-25 6:20 ` Marcin Borkowski
2016-05-25 8:36 ` Stefan Monnier [this message]
2016-05-25 8:43 ` Nicolas Petton
2016-05-25 19:30 ` Marcin Borkowski
2016-05-25 9:07 ` tomas
2016-05-25 15:41 ` Marcin Borkowski
2016-05-25 14:18 ` Drew Adams
2016-05-25 15:39 ` Marcin Borkowski
[not found] ` <mailman.255.1464190813.1216.help-gnu-emacs@gnu.org>
2016-05-26 7:52 ` Emanuel Berg
[not found] ` <mailman.223.1464127012.1216.help-gnu-emacs@gnu.org>
2016-05-24 22:17 ` Emanuel Berg
[not found] ` <mailman.222.1464125502.1216.help-gnu-emacs@gnu.org>
2016-05-24 21:46 ` Emanuel Berg
[not found] ` <mailman.141.1464034180.1216.help-gnu-emacs@gnu.org>
2016-05-24 7:13 ` Emanuel Berg
2016-05-24 14:33 ` Barry Margolin
2016-05-24 15:43 ` Emanuel Berg
2016-05-24 16:15 ` Barry Margolin
2016-05-24 21:36 ` Emanuel Berg
[not found] <mailman.94.1463980455.1216.help-gnu-emacs@gnu.org>
2016-05-23 7:47 ` Emanuel Berg
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