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From: Valentin Bonnard (Bonnard.V_at_[hidden])
Date: 1999-08-31 12:08:16

Beman Dawes wrote:

> The real question is whether to stick with assert() or try to develop
> something along the lines of assertion<>(). It seems to me that
> assertion<>() meets identified needs:
> * Code usually optimized away if not active.

Need a compile time constant to do that.

> * Avoids ODR violations.

Need an external variable initialised only once.

These tend to conflict.

I can see a solution, but it depends on the way #include

> #include <boost/assert.hpp>

> #include "debug_mode.hpp"

> extern const bool debug_mode;
> const bool debug_mode = true;

But it depends on a <> header being able to
include a "" header. (Sun cpp says no, it won't

> * Avoids possibly harmful macro usage.
> Needs identified so far that assertion<>() doesn't meet :
> * Reporting of file and line.

These are contradicting. We must choose.

> * Parameterization of exception type.

If it's only used for debugguing, it is worth the
complexity ?

Valentin Bonnard

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