Re: [Boost-bugs] [Boost C++ Libraries] #7192: [mpl] std::integral_constant support

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #7192: [mpl] std::integral_constant support
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-08-05 17:13:28

#7192: [mpl] std::integral_constant support
-------------------------------+--------------------------------------------
  Reporter:  eric_niebler      |       Owner:  agurtovoy
      Type:  Feature Requests  |      Status:  new      
 Milestone:  Boost 1.52.0      |   Component:  mpl      
   Version:  Boost 1.51.0      |    Severity:  Problem  
Resolution:                    |    Keywords:           
-------------------------------+--------------------------------------------

Comment (by agurtovoy):

 Replying to [ticket:7192 eric_niebler]:
 > The following reasonable-seeming use of mpl::plus doesn't compile:
 >
 > {{{
 >     #include <utility>
 >     #include <boost/mpl/plus.hpp>
 >
 >     typedef std::integral_constant<int, 1> one;
 >     typedef boost::mpl::plus<one, one>::type two;
 > }}}
 >
 > That's because mpl only works with its own integral constant wrappers,
 > not the standard one. That seems unfortunate to me. Is there any
 > interest in supporting this?
 >

 Yes, this should definitely work.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/7192#comment:2>
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