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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/container/generation/make_vector.hpp>
- #include <boost/fusion/sequence/comparison/equal_to.hpp>
- #include <boost/fusion/algorithm/transformation/filter_if.hpp>
- #include <boost/type_traits/is_class.hpp>
- #include <boost/type_traits/is_same.hpp>
- #include <boost/mpl/vector.hpp>
- #include <boost/mpl/not.hpp>
- struct X
- {
- operator char const*() const
- {
- return "<X-object>";
- }
- };
- struct Y
- {
- operator char const*() const
- {
- return "<Y-object>";
- }
- };
- int
- main()
- {
- using namespace boost::fusion;
- using boost::mpl::_;
- using boost::mpl::not_;
- using boost::is_class;
- using boost::is_same;
- std::cout << tuple_open('[');
- std::cout << tuple_close(']');
- std::cout << tuple_delimiter(", ");
- /// Testing filter_if
- X x; Y y;
- typedef boost::fusion::vector<Y, char, long, X, bool, double> vector_type;
- vector_type t(y, '@', 987654, x, true, 6.6);
- {
- std::cout << filter_if<not_<is_class<_> > >(t) << std::endl;
- BOOST_TEST((filter_if<not_<is_class<_> > >(t)
- == make_vector('@', 987654, true, 6.6)));
- }
- {
- std::cout << filter_if<is_class<_> >(t) << std::endl;
- BOOST_TEST((filter_if<is_class<_> >(t)
- == make_vector(y, x)));
- }
- {
- typedef boost::mpl::vector<Y, char, long, X, bool> mpl_vec;
- BOOST_TEST((filter_if<not_<is_class<_> > >(mpl_vec())
- == make_vector(char(), long(), bool())));
- BOOST_TEST((filter_if<is_class<_> >(mpl_vec())
- == make_vector(y, x)));
- }
- return boost::report_errors();
- }
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