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RE: [External] : Re: Add code from other files


From: uzibalqa
Subject: RE: [External] : Re: Add code from other files
Date: Thu, 04 Jul 2024 22:07:28 +0000

On Thursday, July 4th, 2024 at 9:32 PM, Drew Adams <drew.adams@oracle.com> 
wrote:

> > Use `provide' downmost in all your files, and whenever one function is 
> > needed in some other file, you` require' that file
> > first (topmost) in THAT file.
> > 
> > Is a good way to do it.
> > 
> > If you byte-compile it will tell you, if some file uses
> > something not defined in that file, and also not require'd
> > from another where it is.
> > 
> > So you can both find bugs that way and find out what needs to
> > be required by what.
> 
> 
> In addition, there's this case (not too common),
> mentioned in (elisp) `Named Features':
> 
> Although top-level calls to 'require' are evaluated
> during byte compilation, 'provide' calls are not.
> Therefore, you can ensure that a file of definitions
> is loaded before it is byte-compiled by including a
> 'provide' followed by a 'require' for the same feature,
> as in the following example.
> 
> (provide 'my-feature) ; Ignored by byte compiler,
> ; evaluated by 'load'.
> (require 'my-feature) ; Evaluated by byte compiler.

Please do not complicate my life.  Do I really need to use this not too 
common case ?




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