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
visitorvisitor43 visitor(): hash( 0 )
44 {
45 }
46
operator ()visitor47 template<typename T> void operator()( T const & t )
48 {
49 std::cout << "visitor::operator()( T ): " << typeid( t ).name() << std::endl;
50 }
51
operator ()visitor52 void operator()( int const & t )
53 {
54 std::cout << "visitor::operator()( int ): " << t << std::endl;
55 hash = hash * 10 + t;
56 }
57 };
58
f(int x,int y,int z)59 int f( int x, int y, int z )
60 {
61 return x + y + z;
62 }
63
main()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 }
77