[Boost-bugs] [Boost C++ Libraries] #12115: Boost.Asio compile error on Visual Studio 2015 Update 2

Subject: [Boost-bugs] [Boost C++ Libraries] #12115: Boost.Asio compile error on Visual Studio 2015 Update 2
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2016-04-06 07:53:12

#12115: Boost.Asio compile error on Visual Studio 2015 Update 2
-------------------------------------------+----------------------------
 Reporter:  Sergey Svistunov <zenden2k@…>  |      Owner:  chris_kohlhoff
     Type:  Bugs                           |     Status:  new
Milestone:  To Be Determined               |  Component:  asio
  Version:  Boost 1.60.0                   |   Severity:  Problem
 Keywords:                                 |
-------------------------------------------+----------------------------
 I just upgraded to VS 2015 Update 2 and boost/asio/basic_io_object.hpp
 fails to compile on it. Downgrading to VS 2015 Update 1 fixed this issue
 for me.


 {{{
 1>include\boost/asio/basic_io_object.hpp(45): error C2064: term does not
 evaluate to a function taking 2 arguments
 1>  include\boost/asio/ip/basic_resolver.hpp(45): note: see reference to
 class template instantiation
 'boost::asio::detail::service_has_move<IoObjectService>' being compiled
 1>          with
 1>          [
 1>
 IoObjectService=boost::asio::ip::resolver_service<boost::asio::ip::tcp>
 1>          ]
 1>  C:\work\uninav\src\private\nav_mail\MailClient.cpp(175): note: see
 reference to class template instantiation
 'boost::asio::ip::basic_resolver<boost::asio::ip::tcp,boost::asio::ip::resolver_service<InternetProtocol>>'
 being compiled
 1>          with
 1>          [
 1>              InternetProtocol=boost::asio::ip::tcp
 1>          ]
 }}}

 Compile error in  basic_io_object.hpp:45 at "service_has_move::eval("

 {{{
 #!cpp
 #if defined(BOOST_ASIO_HAS_MOVE)
 namespace detail
 {
   // Type trait used to determine whether a service supports move.
   template <typename IoObjectService>
   class service_has_move
   {
   private:
     typedef IoObjectService service_type;
     typedef typename service_type::implementation_type
 implementation_type;

     template <typename T, typename U>
     static auto eval(T* t, U* u) -> decltype(t->move_construct(*u, *u),
 char());
     static char (&eval(...))[2];

   public:
     static const bool value =
       sizeof(service_has_move::eval(
         static_cast<service_type*>(0),
         static_cast<implementation_type*>(0))) == 1;
   };
 }
 #endif // defined(BOOST_ASIO_HAS_MOVE)
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/12115>
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