[boost] Re: swappable user defined types and STLport libraries

From: David Abrahams (dave_at_[hidden])
Date: 2003-08-05 13:16:01

Alisdair Meredith <alisdair.meredith_at_[hidden]> writes:

> The fix I am currently using looks like this in shared_ptr [line 284]
>
>     void swap(shared_ptr<T> & other) // never throws
>     {
>     #if BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT( 0x0564) )
>         _STL::swap(px, other.px);
>     #else
>         std::swap(px, other.px);
>     #endif
>         pn.swap(other.pn);
>     }
>
> I am not submitting this as a diff yet as I am not sure this is the
> 'correct' patch yet, but I hope it gives the idea.   A similar patch
> needs to be applied everywhere in Boost std::swap is called, which could
> be quite a bit of work.  I am happy to go through all the libraries and
> submit appropriate diffs, but first I would like agreement a patch is
> appropriate, and the correct form.

I'm trying to say that I think it's the wrong patch.  The right patch
would put the swap specialization into _STL::.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com