79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/fusion/container/vector/vector.hpp>
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#include <boost/fusion/adapted/mpl.hpp>
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#include <boost/fusion/sequence/io/out.hpp>
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#include <boost/fusion/container/generation/make_vector.hpp>
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#include <boost/fusion/sequence/comparison/equal_to.hpp>
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#include <boost/fusion/algorithm/transformation/remove_if.hpp>
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#include <boost/type_traits/is_class.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/mpl/not.hpp>
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#include <boost/mpl/vector.hpp>
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struct X
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{
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operator char const*() const
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{
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return "<X-object>";
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}
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};
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struct Y
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{
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operator char const*() const
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{
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return "<Y-object>";
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}
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};
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int
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main()
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{
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using namespace boost::fusion;
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using boost::mpl::vector;
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using boost::mpl::_;
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using boost::mpl::not_;
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using boost::is_class;
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using boost::is_same;
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namespace fusion = boost::fusion;
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std::cout << tuple_open('[');
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std::cout << tuple_close(']');
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std::cout << tuple_delimiter(", ");
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/// Testing remove_if
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X x; Y y;
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typedef fusion::vector<Y, char, long, X, bool, double> vector_type;
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vector_type t(y, '@', 987654, x, true, 6.6);
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{
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std::cout << remove_if<not_<is_class<_> > >(t) << std::endl;
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BOOST_TEST((remove_if<not_<is_class<_> > >(t)
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== make_vector(y, x)));
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}
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{
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std::cout << remove_if<is_class<_> >(t) << std::endl;
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BOOST_TEST((remove_if<is_class<_> >(t)
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== make_vector('@', 987654, true, 6.6)));
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}
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{
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typedef vector<Y, char, long, X, bool> mpl_vec;
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BOOST_TEST((remove_if<not_<is_class<_> > >(mpl_vec())
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== vector<Y, X>()));
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BOOST_TEST((remove_if<is_class<_> >(mpl_vec())
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== vector<char, long, bool>()));
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}
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return boost::report_errors();
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}
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