116 lines
4.6 KiB
C++
116 lines
4.6 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/map.hpp>
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#include <boost/fusion/container/vector/vector.hpp>
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#include <boost/fusion/container/generation/make_vector.hpp>
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#include <boost/fusion/view/iterator_range/iterator_range.hpp>
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#include <boost/fusion/sequence/comparison/equal_to.hpp>
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#include <boost/fusion/sequence/io/out.hpp>
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#include <boost/fusion/sequence/intrinsic/size.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/has_key.hpp>
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#include <boost/fusion/iterator/advance.hpp>
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#include <boost/fusion/iterator/key_of.hpp>
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#include <boost/fusion/iterator/value_of_data.hpp>
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#include <boost/fusion/iterator/deref_data.hpp>
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#include <boost/mpl/vector_c.hpp>
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#include <boost/mpl/begin.hpp>
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#include <boost/mpl/next.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/static_assert.hpp>
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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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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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{
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char const* s = "Ruby";
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typedef vector<int, char, double, char const*> vector_type;
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vector_type vec(1, 'x', 3.3, s);
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{
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typedef vector_iterator<vector_type, 1> i1t;
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typedef vector_iterator<vector_type, 3> i3t;
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i1t i1(vec);
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i3t i3(vec);
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typedef iterator_range<i1t, i3t> slice_t;
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slice_t slice(i1, i3);
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std::cout << slice << std::endl;
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BOOST_TEST((slice == make_vector('x', 3.3)));
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BOOST_STATIC_ASSERT(boost::fusion::result_of::size<slice_t>::value == 2);
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}
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{
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typedef vector_iterator<vector_type, 0> i1t;
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typedef vector_iterator<vector_type, 0> i3t;
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i1t i1(vec);
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i3t i3(vec);
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typedef iterator_range<i1t, i3t> slice_t;
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slice_t slice(i1, i3);
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std::cout << slice << std::endl;
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BOOST_TEST(slice == make_vector());
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BOOST_STATIC_ASSERT(boost::fusion::result_of::size<slice_t>::value == 0);
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}
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}
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{
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typedef boost::mpl::vector_c<int, 2, 3, 4, 5, 6> mpl_vec;
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typedef boost::mpl::begin<mpl_vec>::type it0;
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typedef boost::mpl::next<it0>::type it1;
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typedef boost::mpl::next<it1>::type it2;
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typedef boost::mpl::next<it2>::type it3;
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it1 f;
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it3 l;
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typedef iterator_range<it1, it3> slice_t;
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slice_t slice(f, l);
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std::cout << slice << std::endl;
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BOOST_TEST((slice == make_vector(3, 4)));
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BOOST_STATIC_ASSERT(boost::fusion::result_of::size<slice_t>::value == 2);
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}
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{
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typedef map<pair<void,std::string>, pair<double,char>,pair<void*, int> > map_type;
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map_type m(make_pair<void>("foo"), make_pair<double>('x'), make_pair<void*>(2));
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typedef iterator_range<
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boost::fusion::result_of::begin<map_type>::type
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, boost::fusion::result_of::advance_c<boost::fusion::result_of::begin<map_type>::type,2>::type
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> range_type;
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range_type r(begin(m), advance_c<2>(begin(m)));
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BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<range_type, void>::type));
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BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<range_type, double>::type));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::begin<range_type>::type>::type, void>));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::begin<range_type>::type>::type>::type, double>));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::begin<range_type>::type>::type, std::string>));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::begin<range_type>::type>::type>::type, char>));
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std::cout << deref_data(begin(r)) << std::endl;
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std::cout << deref_data(fusion::next(begin(r))) << std::endl;
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BOOST_TEST((deref_data(begin(r)) == "foo"));
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BOOST_TEST((deref_data(fusion::next(begin(r))) == 'x'));
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}
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return boost::report_errors();
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}
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