[Liblas-devel] #pragma once

[Black, Michael (IS)]

Just one objection -- it's not "standard".
 
http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Windows_Code#Windows_Code <https://owa1.ngc.com/exchweb/bin/redir.asp?URL=http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Windows_Code%23Windows_Code> 
 
If you intend to restrict your code to only compatible compilers, then fine.  The other recommendations I saw said to use both #ifdef and #pragma once -- then you get both.  But if maximum portability is not your concern.....
 
Looks like it's still in the throws of being implemented -- and without it being a standard it seems risky...
 http://software.intel.com/en-us/articles/cdiag1782/

If it ain't broke -- don't fix it... 

 
Michael D. Black
Senior Scientist
Northrop Grumman Mission Systems
 

________________________________

From: liblas-devel-bounces at lists.osgeo.org on behalf of Howard Butler
Sent: Mon 2/8/2010 9:06 AM
To: Liblas-devel at lists.osgeo.org
Subject: [Liblas-devel] #pragma once



All,

I would like to remove our #ifdef-style include guards in all of our .hpp and .h files and instead use the "#pragma once" [1] compiler directive.  I can't think of any compilers that people are using with libLAS that do not support this directive, and it will cut down on a lot of the boilerplate that exists in the headers.

Any objections?

Howard

[1] http://en.wikipedia.org/wiki/Pragma_once_______________________________________________
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