Re: [Boost-users] [multi_index] iterating over keys and "extracting" key extractors

Subject: Re: [Boost-users] [multi_index] iterating over keys and "extracting" key extractors
From: Joaquin M Lopez Munoz (joaquin_at_[hidden])
Date: 2015-03-20 05:33:55

Nick Stokes <randomaccessiterator <at> gmail.com> writes:

> 
> Sorry for being vague about versions.  This was with Boost 1.49.
> Both Visual Studio 2012 and 2013 generates the warning.  Clang 3.5.0
> and g++ 4.7.2 do not. They all compile fine at the end. 
> 
> Also I just tried with Boost 1.56.  There is no warning in either
> compiler!  Strangely, the result_type typedef in key extractor is
> still non-& in this version.  Perhaps Boost.Range changed... 

Please don't top-post:

http://www.boost.org/community/policy.html#quoting

Thank you!

So, to sum up the top-posted chain of posts of yours,
boost::multi_index::member<Class,Type,PtrToMember> publicizes its
result type as

typedef Type result_type;

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