| /*============================================================================= |
| Copyright (c) 2001-2006 Joel de Guzman |
| |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| ==============================================================================*/ |
| #include <boost/detail/lightweight_test.hpp> |
| #include <boost/fusion/container/vector/vector.hpp> |
| #include <boost/fusion/adapted/mpl.hpp> |
| #include <boost/fusion/sequence/io/out.hpp> |
| #include <boost/fusion/algorithm/query/find_if.hpp> |
| #include <boost/mpl/vector.hpp> |
| #include <boost/mpl/vector_c.hpp> |
| #include <boost/mpl/less.hpp> |
| #include <boost/type_traits/is_same.hpp> |
| |
| struct X |
| { |
| operator int() const |
| { |
| return 12345; |
| } |
| }; |
| |
| int |
| main() |
| { |
| using namespace boost::fusion; |
| |
| { |
| using boost::is_same; |
| using boost::mpl::_; |
| |
| typedef vector<int, char, int, double> vector_type; |
| vector_type v(12345, 'x', 678910, 3.36); |
| |
| std::cout << *find_if<is_same<_, char> >(v) << std::endl; |
| BOOST_TEST((*find_if<is_same<_, char> >(v) == 'x')); |
| |
| std::cout << *find_if<is_same<_, int> >(v) << std::endl; |
| BOOST_TEST((*find_if<is_same<_, int> >(v) == 12345)); |
| |
| std::cout << *find_if<is_same<_, double> >(v) << std::endl; |
| BOOST_TEST((*find_if<is_same<_, double> >(v) == 3.36)); |
| } |
| |
| { |
| using boost::mpl::vector; |
| using boost::is_same; |
| using boost::mpl::_; |
| |
| typedef vector<int, char, X, double> mpl_vec; |
| BOOST_TEST((*find_if<is_same<_, X> >(mpl_vec()) == 12345)); |
| } |
| |
| { |
| using boost::mpl::vector_c; |
| using boost::mpl::less; |
| using boost::mpl::int_; |
| using boost::is_same; |
| using boost::mpl::_; |
| |
| typedef vector_c<int, 1, 2, 3, 4> mpl_vec; |
| BOOST_TEST((*find_if<less<_, int_<3> > >(mpl_vec()) == 1)); |
| } |
| |
| return boost::report_errors(); |
| } |
| |