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From: Alan Mackenzie <acm@muc.de>
To: "Stephen J. Turnbull" <stephen@xemacs.org>
Cc: Leo <sdl.web@gmail.com>, emacs-devel@gnu.org
Subject: Re: Is (provide 'foo) at the start good or bad?
Date: Fri, 12 Jun 2009 08:36:09 +0000	[thread overview]
Message-ID: <20090612083609.GA2953@muc.de> (raw)
In-Reply-To: <87r5xqw0s8.fsf@uwakimon.sk.tsukuba.ac.jp>

Hi, Stephen,

On Fri, Jun 12, 2009 at 01:09:43PM +0900, Stephen J. Turnbull wrote:
> Leo writes:

>  > > one less char).  So what is the benefit of providing it at the
>  > > very start? 

>  > I have run into this problem before. I prefer putting provide at the
>  > end of the file.

> Putting the provide form at the beginning allows mutually recursive
> requires to succeed.  I also prefer it as a matter of style, sort of
> serving as a `declare-package'.

Putting `provide' at the end of the file means you've actually loaded
the file when the provision is done.  Thus if the load crashes (very
common when you're developing), you don't have a spurious provided
symbol.

Like in lots of things, there's no one Right Way to do it.

-- 
Alan Mackenzie (Nuremberg, Germany).




  parent reply	other threads:[~2009-06-12  8:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-11 12:56 Is (provide 'foo) at the start good or bad? William Xu
2009-06-11 17:01 ` Leo
2009-06-12  4:09   ` Stephen J. Turnbull
2009-06-12  5:01     ` William Xu
2009-06-12 10:02       ` Thien-Thi Nguyen
2009-06-12 10:26       ` Stephen J. Turnbull
2009-06-12 15:15         ` William Xu
2009-06-12  8:36     ` Alan Mackenzie [this message]
2009-06-12 10:10       ` Stephen J. Turnbull
2009-06-12 23:00     ` Davis Herring
2009-06-13 12:19       ` Stephen J. Turnbull
2009-06-14 19:30         ` Davis Herring
2009-06-15  3:04           ` Stephen J. Turnbull
2009-06-15 18:20             ` Davis Herring
2009-06-16  3:47               ` Stephen J. Turnbull
2009-06-12 21:16 ` Stefan Monnier

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