[Boost-bugs] [Boost C++ Libraries] #3659: warning when using boost::counting_iterator<int> and std::vector<int> on MSVC

Subject: [Boost-bugs] [Boost C++ Libraries] #3659: warning when using boost::counting_iterator<int> and std::vector<int> on MSVC
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2009-11-23 12:06:48

#3659: warning when using boost::counting_iterator<int> and std::vector<int> on
MSVC
--------------------------+-------------------------------------------------
 Reporter:  anonymous     |       Owner:  dave    
     Type:  Bugs          |      Status:  new     
Milestone:  Boost 1.42.0  |   Component:  iterator
  Version:  Boost 1.41.0  |    Severity:  Cosmetic
 Keywords:                |  
--------------------------+-------------------------------------------------
 This code causes the warnings:

 #include <boost/iterator/counting_iterator.hpp>
 #include <vector>

 int main()
   {
   boost::counting_iterator<int>
     begin, end;

   std::vector<int> v(begin, end);

   return 0;
   }



 warning C4244: '+=' : conversion from '__int64' to 'unsigned int',
 possible loss of data
 1>        e:\program files\microsoft visual studio
 8\vc\include\xutility(1702) : see reference to function template
 instantiation 'void std::_Distance2<_InIt,_Diff>(_RanIt,_RanIt,_Diff
 &,std::random_access_iterator_tag)' being compiled
 1>        with
 1>        [
 1>            _InIt=boost::counting_iterator<int>,
 1>            _Diff=unsigned int,
 1>            _RanIt=boost::counting_iterator<int>
 1>        ]

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/3659>
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