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- /*=============================================================================
- Copyright (c) 2001-2011 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();
- }
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