[Boost-bugs] [Boost C++ Libraries] #4409: boost::in_place_factory produces warning

Subject: [Boost-bugs] [Boost C++ Libraries] #4409: boost::in_place_factory produces warning
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-07-08 09:38:05

#4409: boost::in_place_factory produces warning
------------------------------+---------------------------------------------
 Reporter:  NN                |       Owner:          
     Type:  Feature Requests  |      Status:  new     
Milestone:  Boost 1.44.0      |   Component:  None    
  Version:  Boost 1.44.0      |    Severity:  Cosmetic
 Keywords:                    |  
------------------------------+---------------------------------------------
 Visual C++ 9.0, Warning level 4

 {{{
 #!cpp

 #include <boost/utility/in_place_factory.hpp>
 #include <boost/optional.hpp>

 #include <boost/noncopyable.hpp>

 struct x : boost::noncopyable
 {
 public:
         static void init(int i);

 private:
         x(int i) : i (i)
         {
         }

         friend boost::in_place_factory1<int>;

         int i;
 };

 boost::optional<x> x_instance;

 void x::init(int i)
 {
         x_instance = boost::in_place(i);
 }

 }}}

 {{{
 1>boost\utility\in_place_factory.hpp(68): warning C4512:
 'boost::in_place_factory1<A0>' : assignment operator could not be
 generated
 1>          with
 1>          [
 1>              A0=int
 1>          ]
 1>          a.cpp(26) : see reference to class template instantiation
 'boost::in_place_factory1<A0>' being compiled
 1>          with
 1>          [
 1>              A0=int
 1>          ]
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/4409>
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