Boost logo

Boost :

From: Thomas Witt (witt_at_[hidden])
Date: 2002-01-15 12:35:18

Hi Vesa,

>On Tuesday 15 January 2002 17:52, you wrote:
> Hi All,
> At least the MSVC++ 6.x compiler implements 'for' incorrectly. For example,
> the following snippet fails to compile on MSVC++ 6.x:
> There is a simple widely known workaround for this bug:
> #ifndef for
> #define for if (0) {} else for
> #endif
> The biggest undesirable side-effect is that it may brake some legacy MSVC++
> code that relies on the old incorrect behavior. On the other hand, such
> code probably needs to be fixed sooner or later.
> Would this be worth adding to the MSVC++ config files?

This is certainly a good point for something like a MSVC FAQ or it should be
integrated in Jens MSVC deficiency list. With regard to the config files, I
don't see how this would be kept from leaking to user code. As a library user
I would really get pissed if any library forces something like this on me. To
me it feels to intrusive.


> Info: Send unsubscribe requests to:
> <mailto:boost-unsubscribe_at_[hidden]>
> Your use of Yahoo! Groups is subject to

Dipl.-Ing. Thomas Witt
Institut fuer Verkehrswesen, Eisenbahnbau und -betrieb, Universitaet Hannover
voice: +49(0) 511 762 - 4273, fax: +49(0) 511 762-3001

Boost list run by bdawes at, gregod at, cpdaniel at, john at