Re: [boost] Re: [Formal review] Collection Traits library

From: Peter Dimov (pdimov_at_[hidden])
Date: 2004-04-29 09:00:28

Hartmut Kaiser wrote:
> Thorsten Ottosen wrote:
> 
>>> _______________________________________________________
>>> 23. headers: in guard like
>>> 
>>> #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif
>>> 
>>> sometimes value 1020 and sometimes value 1200 is used.
>>> Both are OK from practical point of view but it would feel
>> better if
>>> the same.
>> 
>> I would like to know which one to use. I think the "right"
>> one is 1200.
> 
> The correct one is 1000 (implemented since V10.0 / VC++4)

Microsoft's own headers use 1020 (VC 4.2).