Re: [boost] [swap] please update documentation with the header I need to include

Subject: Re: [boost] [swap] please update documentation with the header I need to include
From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2009-06-29 10:43:38

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On Monday 29 June 2009, Peter Simons wrote:
> Hi Niels,
>
>  > [It's] not recommended to do an unqualified call to boost::swap:
>  >
>  >   std::string a1[42];
>  >   std::string a2[42];
>  >
>  >   boost::swap(a1, a2);  // Okay.
>  >
>  >   using boost::swap;
>  >   swap(a1, a2);  // Does not compile!
>
> why do you think this code won't compile? As far as I can tell, ADL
> would resolve the call to invoke std::swap(). In fact, ADL is the very
> reason why some people recommend the exact opposite of what you've been
> saying, i.e. swap() should always be called unqualified.

They recommend that swap be called unqualified and ADL used in the context of 
working around the limitations of std::swap.  boost::swap on the other hand 
handles the ADL internally.
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