Re: [boost] [function] new implementation

Subject: Re: [boost] [function] new implementation
From: Hartmut Kaiser (hartmut.kaiser_at_[hidden])
Date: 2010-10-31 22:02:15

> > Hi, thank you very much for testing and providing such good feedback!
> > You are completely right in detecting and identifying the
> > culprit...This is a new issue inherent to implementations that use
> > on-empty handlers/targets instead of the if-empty-then checks.
> > I've fixed my implementation which you can grab again from the sandbox
> > (the vault still has the old one). The new implementation has only
> > slightly more expensive (public) empty() and (private, rarely used)
> > vtable::move calls but it should now work even in the across-shared-
> > modules-boundaries use case you described.
> > I ran regression tests with VC10 and now all of them pass cleanly, i.e.
> > the assertions in Program Options are gone...and thanks to your
> > feedback now I know what caused them...the tests used DLLs (causing
> > exactly the behaviour you described) when run by the automated
> > regression tests procedure and did not use them when run straight from
> > the IDE...so once again thanks for very useful feedback ;-)
> >
> > ps. I hope I did not break anything for other compilers...did not have
> > the time now to run tests for them also...
> 
> Thanks for the fix! Everything seems to work now (VS2010, 64 bit, I have
> not tried any other compiler, though). Great news.

I have to correct myself. While it seems to run fine in release mode, I'm
now seeing an assertion in debug mode at function_template.hpp, line 579. I
have no idea what this means.

Regards Hartmut
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