/*============================================================================= 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(); }