[Boost-bugs] [Boost C++ Libraries] #4537: suggestion to remove warning of comparison about singned and unsigned

Subject: [Boost-bugs] [Boost C++ Libraries] #4537: suggestion to remove warning of comparison about singned and unsigned
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-08-13 05:01:36

#4537: suggestion to remove warning of comparison about singned and unsigned
---------------------------------------------+------------------------------
 Reporter:  Philipp Huber <phu@…>            |       Owner:  agurtovoy
     Type:  Patches                          |      Status:  new      
Milestone:  Boost 1.44.0                     |   Component:  mpl      
  Version:  Boost 1.43.0                     |    Severity:  Cosmetic 
 Keywords:                                   |  
---------------------------------------------+------------------------------
 I haven't got into mpl to actually understand, what the lines are doing I
 suggest to correct, they actually don't make sense to me. However, they
 are causing a long template warning in the context of using
 boost::text_archive about comparing unsigned with signed which causes
 eclipse to interpret it as an error for unknown reasons.

 so I suggest the following patch (the revision numbers are those of my own
 repository):

 Index: boost/mpl/print.hpp
 ===================================================================
 --- print.hpp   (revision 1772)
 +++ print.hpp   (revision 1773)
 @@ -57,7 +57,7 @@
  # if defined(__EDG_VERSION__)
             aux::dependent_unsigned<T>::value > -1
  # else
 -           sizeof(T) > -1
 +           sizeof(T) >= 0
  # endif
          };
  #endif

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/4537>
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