ceph/src/boost/libs/phoenix/test/boost_bind_compatibility/bind_visit_test.cpp

   1 /*==============================================================================
   2     Copyright (c) 2006 Douglas Gregor <doug.gregor@gmail.com>
   3     Copyright (c) 2006 Peter Dimov
   4     Copyright (c) 2005-2010 Joel de Guzman
   5     Copyright (c) 2010 Thomas Heller
   6
   7     Distributed under the Boost Software License, Version 1.0. (See accompanying
   8     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 ==============================================================================*/
  10
  11 #include <boost/config.hpp>
  12
  13 #if defined(BOOST_MSVC)
  14 # pragma warning(disable: 4786)  // identifier truncated in debug info
  15 # pragma warning(disable: 4710)  // function not inlined
  16 # pragma warning(disable: 4711)  // function selected for automatic inline expansion
  17 # pragma warning(disable: 4514)  // unreferenced inline removed
  18 # pragma warning(disable: 4100)  // unreferenced formal parameter (it is referenced!)
  19 #endif
  20
  21
  22 #include <boost/phoenix/core.hpp>
  23 #include <boost/phoenix/bind.hpp>
  24 #include <boost/visit_each.hpp>
  25
  26 #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  27 # pragma warning(push, 3)
  28 #endif
  29
  30 #include <iostream>
  31 #include <typeinfo>
  32
  33 #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  34 # pragma warning(pop)
  35 #endif
  36
  37 #include <boost/detail/lightweight_test.hpp>
  38
  39 struct visitor
  40 {
  41     int hash;
  42
  43     visitor(): hash( 0 )
  44     {
  45     }
  46
  47     template<typename T> void operator()( T const & t )
  48     {
  49         std::cout << "visitor::operator()( T ): " << typeid( t ).name() << std::endl;
  50     }
  51
  52     void operator()( int const & t )
  53     {
  54         std::cout << "visitor::operator()( int ): " << t << std::endl;
  55         hash = hash * 10 + t;
  56     }
  57 };
  58
  59 int f( int x, int y, int z )
  60 {
  61     return x + y + z;
  62 }
  63
  64 int main()
  65 {
  66     using boost::phoenix::bind;
  67     using boost::phoenix::placeholders::_1;
  68
  69     visitor vis;
  70
  71     boost::visit_each( vis, bind( f, 3, _1, 4 ) );
  72
  73     BOOST_TEST( vis.hash == 34 );
  74
  75     return boost::report_errors();
  76 }