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@@ -13,7 +13,7 @@
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#include <boost/mpl/equal.hpp>
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#include <boost/ref.hpp>
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#include <boost/core/ref.hpp>
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#ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
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#include <functional>
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#endif
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@@ -0,0 +1,193 @@
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/*=============================================================================
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Copyright (c) 2022 Denis Mikhailov
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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/container/map/map.hpp>
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#include <boost/fusion/container/generation/make_map.hpp>
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#include <boost/fusion/algorithm/auxiliary/copy.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/view/identity_view/identity_view.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/at.hpp>
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#include <boost/fusion/sequence/intrinsic/value_at.hpp>
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#include <boost/fusion/sequence/intrinsic/at_key.hpp>
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#include <boost/fusion/sequence/intrinsic/value_at_key.hpp>
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#include <boost/fusion/sequence/intrinsic/has_key.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/iterator/next.hpp>
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#include <boost/fusion/iterator/prior.hpp>
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#include <boost/fusion/iterator/advance.hpp>
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#include <boost/fusion/iterator/deref.hpp>
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#include <boost/fusion/iterator/distance.hpp>
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#include <boost/fusion/iterator/key_of.hpp>
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#include <boost/fusion/iterator/deref_data.hpp>
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#include <boost/fusion/iterator/value_of_data.hpp>
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#include <boost/fusion/support/pair.hpp>
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#include <boost/fusion/support/category_of.hpp>
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#include <boost/mpl/range_c.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/at.hpp>
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#include <boost/mpl/map.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/typeof/typeof.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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struct abstract
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{
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virtual void foo() = 0;
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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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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 the identity_view
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{
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typedef boost::mpl::range_c<int, 5, 9> sequence_type;
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sequence_type sequence;
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typedef identity_view<sequence_type> xform_type;
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xform_type xform(sequence);
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std::cout << xform << std::endl;
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BOOST_TEST((xform == make_vector(5, 6, 7, 8)));
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typedef boost::fusion::result_of::begin<xform_type>::type first_type;
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first_type first_it(boost::fusion::begin(xform));
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typedef boost::fusion::result_of::next<first_type>::type next_type;
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next_type next_it(boost::fusion::next(first_it));
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BOOST_TEST((*next_it == 6));
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BOOST_TEST((*boost::fusion::prior(next_it) == 5));
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BOOST_TEST((boost::fusion::distance(first_it, next_it) == 1));
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BOOST_TEST((*boost::fusion::advance_c<3>(boost::fusion::begin(xform)) == 8));
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BOOST_TEST((boost::fusion::at_c<2>(xform) == 7));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_c<xform_type, 0>::type, boost::mpl::integral_c<int, 5> >));
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}
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{
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typedef vector<int, int, int, int, int> sequence_type;
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sequence_type seq;
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identity_view<sequence_type> ident(seq);
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copy(make_vector(1, 2, 3, 4, 5), ident);
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std::cout << seq << std::endl;
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BOOST_TEST((seq == make_vector(1, 2, 3, 4, 5)));
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}
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/// Associative
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{
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typedef map<
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pair<int, char>
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, pair<double, std::string>
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, pair<abstract, int> >
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map_type;
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typedef identity_view<map_type> transformed_type;
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BOOST_MPL_ASSERT((traits::is_associative<transformed_type>));
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BOOST_MPL_ASSERT((traits::is_random_access<transformed_type>));
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map_type m(
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make_pair<int>('X')
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, make_pair<double>("Men")
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, make_pair<abstract>(2));
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transformed_type t(m);
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std::cout << at_key<int>(t) << std::endl;
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std::cout << at_key<double>(t) << std::endl;
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std::cout << at_key<abstract>(t) << std::endl;
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BOOST_TEST(at_key<int>(t) == 'X');
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BOOST_TEST(at_key<double>(t) == "Men");
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BOOST_TEST(at_key<abstract>(t) == 2);
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BOOST_STATIC_ASSERT((
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boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, int>::type, char>::value));
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BOOST_STATIC_ASSERT((
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boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, double>::type, std::string>::value));
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BOOST_STATIC_ASSERT((
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boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, abstract>::type, int>::value));
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std::cout << t << std::endl;
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BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, int>::value));
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BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, double>::value));
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BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, abstract>::value));
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BOOST_STATIC_ASSERT((!boost::fusion::result_of::has_key<transformed_type, std::string>::value));
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std::cout << deref_data(begin(t)) << std::endl;
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std::cout << deref_data(boost::fusion::next(begin(t))) << std::endl;
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BOOST_TEST(deref_data(begin(t)) == 'X');
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BOOST_TEST(deref_data(boost::fusion::next(begin(t))) == "Men");
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BOOST_TEST(deref_data(boost::fusion::next(next(begin(t)))) == 2);
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BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::begin<transformed_type>::type>::type, int>::value));
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BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type, double>::value));
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BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type>::type, abstract>::value));
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BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::begin<transformed_type>::type>::type, char>::value));
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BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type, std::string>::value));
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BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type>::type, int>::value));
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// Test random access interface.
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pair<int, char> a = at_c<0>(t); (void) a;
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pair<double, std::string> b = at_c<1>(t);
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pair<abstract, int> c = at_c<2>(t);
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(void)c;
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typedef boost::fusion::result_of::begin<transformed_type>::type first;
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typedef boost::fusion::result_of::next<first>::type second;
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typedef boost::fusion::result_of::next<second>::type third;
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<first>::type, boost::fusion::pair<int, char> >));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<second>::type, boost::fusion::pair<double, std::string> >));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<third>::type, boost::fusion::pair<abstract, int> >));
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}
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{
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// compile test only
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// make sure result_of::deref_data returns a reference
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typedef map<pair<float, int> > map_type;
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typedef identity_view<map_type> transformed_type;
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typedef boost::fusion::result_of::begin<transformed_type>::type i_type;
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typedef boost::fusion::result_of::deref_data<i_type>::type r_type;
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BOOST_STATIC_ASSERT((boost::is_same<r_type, int&>::value));
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}
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{
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// compile test only
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// make sure result_of::deref_data is const correct
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typedef map<pair<float, int> > const map_type;
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typedef identity_view<map_type> transformed_type;
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typedef boost::fusion::result_of::begin<transformed_type>::type i_type;
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typedef boost::fusion::result_of::deref_data<i_type>::type r_type;
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BOOST_STATIC_ASSERT((boost::is_same<r_type, int const&>::value));
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}
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{
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// compile test only
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// make sure result_of::deref_data will not const for non-constant references
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typedef map<pair<float, int&> > const map_type;
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typedef identity_view<map_type> transformed_type;
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typedef boost::fusion::result_of::begin<transformed_type>::type i_type;
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typedef boost::fusion::result_of::deref_data<i_type>::type r_type;
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BOOST_STATIC_ASSERT((boost::is_same<r_type, int&>::value));
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}
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return boost::report_errors();
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}
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@@ -1,5 +1,6 @@
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2021-2022 Denis Mikhailov
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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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@@ -15,6 +16,9 @@
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/at.hpp>
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#include <boost/fusion/sequence/intrinsic/value_at.hpp>
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#include <boost/fusion/sequence/intrinsic/has_key.hpp>
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#include <boost/fusion/sequence/intrinsic/at_key.hpp>
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#include <boost/fusion/sequence/intrinsic/value_at_key.hpp>
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#include <boost/fusion/iterator/next.hpp>
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#include <boost/fusion/iterator/prior.hpp>
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#include <boost/fusion/iterator/deref.hpp>
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@@ -102,6 +106,21 @@ main()
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BOOST_TEST((at_c<2>(rev) == pair2("two")));
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BOOST_TEST((at_c<3>(rev) == pair1("one")));
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BOOST_TEST((at_c<4>(rev) == pair0("zero")));
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BOOST_TEST(( has_key< boost::mpl::int_<0> >(rev)
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&& has_key< boost::mpl::int_<4> >(rev)
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&& !has_key< boost::mpl::int_<-1> >(rev)
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&& !has_key< boost::mpl::int_<5> >(rev) ));
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BOOST_TEST((at_key< boost::mpl::int_<0> >(rev) == "zero"));
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BOOST_TEST((at_key< boost::mpl::int_<1> >(rev) == "one"));
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BOOST_TEST((at_key< boost::mpl::int_<2> >(rev) == "two"));
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BOOST_TEST((at_key< boost::mpl::int_<3> >(rev) == "three"));
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BOOST_TEST((at_key< boost::mpl::int_<4> >(rev) == "four"));
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BOOST_TEST(( (at_key< boost::mpl::int_<0> >(rev) = "new_zero") == "new_zero"
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&& at_key< boost::mpl::int_<0> >(rev) == "new_zero" ));
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BOOST_MPL_ASSERT((boost::mpl::and_<result_of::has_key<view_type, boost::mpl::int_<0> >
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, boost::mpl::not_<result_of::has_key<view_type, boost::mpl::int_<-1> > > >));
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BOOST_MPL_ASSERT((boost::is_same<result_of::at_key<view_type, boost::mpl::int_<0> >::type, std::string&>));
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BOOST_MPL_ASSERT((boost::is_same<result_of::value_at_key<view_type, boost::mpl::int_<0> >::type, std::string>));
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}
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return boost::report_errors();
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@@ -21,6 +21,10 @@
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#include <boost/static_assert.hpp>
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#include "tree.hpp"
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#ifdef _MSC_VER
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# pragma warning(push)
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# pragma warning(disable: 4512) // assignment operator could not be generated.
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#endif
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struct ostream_fun
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{
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ostream_fun(std::ostream &sout)
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@@ -34,6 +38,9 @@ struct ostream_fun
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private:
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std::ostream & sout_;
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};
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#ifdef _MSC_VER
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# pragma warning(pop)
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#endif
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template<typename Tree>
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void
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@@ -1,11 +1,14 @@
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2022 Denis Mikhailov
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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)
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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/container/map/map.hpp>
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#include <boost/fusion/container/generation/make_map.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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@@ -14,15 +17,29 @@
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/at.hpp>
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#include <boost/fusion/sequence/intrinsic/value_at.hpp>
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#include <boost/fusion/sequence/intrinsic/at_key.hpp>
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#include <boost/fusion/sequence/intrinsic/value_at_key.hpp>
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#include <boost/fusion/sequence/intrinsic/has_key.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/iterator/next.hpp>
|
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#include <boost/fusion/iterator/prior.hpp>
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#include <boost/fusion/iterator/advance.hpp>
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#include <boost/fusion/iterator/deref.hpp>
|
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#include <boost/fusion/iterator/distance.hpp>
|
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#include <boost/fusion/iterator/key_of.hpp>
|
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#include <boost/fusion/iterator/deref_data.hpp>
|
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#include <boost/fusion/iterator/value_of_data.hpp>
|
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#include <boost/fusion/support/pair.hpp>
|
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#include <boost/fusion/support/category_of.hpp>
|
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|
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#include <boost/mpl/range_c.hpp>
|
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#include <boost/mpl/assert.hpp>
|
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#include <boost/mpl/at.hpp>
|
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#include <boost/mpl/map.hpp>
|
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#include <boost/type_traits/is_same.hpp>
|
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#include <boost/static_assert.hpp>
|
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#include <boost/typeof/typeof.hpp>
|
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#include <boost/type_traits/remove_reference.hpp>
|
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|
||||
struct square
|
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{
|
||||
@@ -60,6 +77,85 @@ struct add
|
||||
}
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||||
};
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||||
|
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struct abstract
|
||||
{
|
||||
virtual void foo() = 0;
|
||||
};
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||||
|
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struct functor
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||||
{
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typedef boost::fusion::pair<short, char> pair_0;
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typedef boost::fusion::pair<double, std::string> pair_1;
|
||||
typedef boost::fusion::pair<abstract, long> pair_2;
|
||||
|
||||
typedef boost::mpl::map<
|
||||
boost::mpl::pair< boost::fusion::pair<int, char> , pair_0>
|
||||
, boost::mpl::pair< pair_1 , pair_1>
|
||||
, boost::mpl::pair< boost::fusion::pair<abstract, int> , pair_2>
|
||||
> m;
|
||||
|
||||
template<typename Sig>
|
||||
struct result;
|
||||
|
||||
template<class F, class T>
|
||||
struct result<F(T)>
|
||||
: boost::mpl::at<
|
||||
m,
|
||||
typename boost::remove_reference<T>::type
|
||||
>
|
||||
{};
|
||||
|
||||
pair_0 operator() (const boost::fusion::pair<int, char>& arg) const
|
||||
{
|
||||
return pair_0(arg.second);
|
||||
}
|
||||
|
||||
pair_1 operator() (const pair_1 & arg) const
|
||||
{
|
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return pair_1(arg.second + "_transformed");
|
||||
}
|
||||
|
||||
pair_2 operator() (const boost::fusion::pair<abstract, int>& arg) const
|
||||
{
|
||||
return pair_2(arg.second);
|
||||
}
|
||||
};
|
||||
|
||||
struct simple_identity
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||||
{
|
||||
template<typename Sig>
|
||||
struct result;
|
||||
|
||||
template<typename U>
|
||||
struct result<simple_identity(U)>
|
||||
{
|
||||
typedef U type;
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
T& operator() (T& arg) const
|
||||
{
|
||||
return arg;
|
||||
}
|
||||
};
|
||||
|
||||
struct simple_identity_nonref
|
||||
{
|
||||
template<typename Sig>
|
||||
struct result;
|
||||
|
||||
template<typename U>
|
||||
struct result<simple_identity_nonref(U)>
|
||||
: boost::remove_reference<U>
|
||||
{};
|
||||
|
||||
template<typename T>
|
||||
T operator() (T arg) const
|
||||
{
|
||||
return arg;
|
||||
}
|
||||
};
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
@@ -110,6 +206,183 @@ main()
|
||||
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_c<xform_type, 0>::type, int>));
|
||||
}
|
||||
|
||||
/// Associative
|
||||
{
|
||||
typedef map<
|
||||
pair<int, char>
|
||||
, pair<double, std::string>
|
||||
, pair<abstract, int> >
|
||||
map_type;
|
||||
typedef transform_view<map_type, functor> transformed_type;
|
||||
|
||||
BOOST_MPL_ASSERT((traits::is_associative<transformed_type>));
|
||||
BOOST_MPL_ASSERT((traits::is_random_access<transformed_type>));
|
||||
|
||||
map_type m(
|
||||
make_pair<int>('X')
|
||||
, make_pair<double>("Men")
|
||||
, make_pair<abstract>(2));
|
||||
transformed_type t(m, functor());
|
||||
|
||||
std::cout << at_key<short>(t) << std::endl;
|
||||
std::cout << at_key<double>(t) << std::endl;
|
||||
std::cout << at_key<abstract>(t) << std::endl;
|
||||
|
||||
BOOST_TEST(at_key<short>(t) == 'X');
|
||||
BOOST_TEST(at_key<double>(t) == "Men_transformed");
|
||||
BOOST_TEST(at_key<abstract>(t) == 2);
|
||||
|
||||
BOOST_STATIC_ASSERT((
|
||||
boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, short>::type, char>::value));
|
||||
BOOST_STATIC_ASSERT((
|
||||
boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, double>::type, std::string>::value));
|
||||
BOOST_STATIC_ASSERT((
|
||||
boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, abstract>::type, long>::value));
|
||||
|
||||
std::cout << t << std::endl;
|
||||
|
||||
BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, short>::value));
|
||||
BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, double>::value));
|
||||
BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, abstract>::value));
|
||||
BOOST_STATIC_ASSERT((!boost::fusion::result_of::has_key<transformed_type, std::string>::value));
|
||||
|
||||
std::cout << deref_data(begin(t)) << std::endl;
|
||||
std::cout << deref_data(boost::fusion::next(begin(t))) << std::endl;
|
||||
|
||||
BOOST_TEST(deref_data(begin(t)) == 'X');
|
||||
BOOST_TEST(deref_data(boost::fusion::next(begin(t))) == "Men_transformed");
|
||||
BOOST_TEST(deref_data(boost::fusion::next(next(begin(t)))) == 2);
|
||||
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::begin<transformed_type>::type>::type, short>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type, double>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type>::type, abstract>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::begin<transformed_type>::type>::type, char>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type, std::string>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type>::type, long>::value));
|
||||
|
||||
// Test random access interface.
|
||||
pair<short, char> a = at_c<0>(t); (void) a;
|
||||
pair<double, std::string> b = at_c<1>(t);
|
||||
pair<abstract, int> c = at_c<2>(t);
|
||||
(void)c;
|
||||
|
||||
typedef boost::fusion::result_of::begin<transformed_type>::type first;
|
||||
typedef boost::fusion::result_of::next<first>::type second;
|
||||
typedef boost::fusion::result_of::next<second>::type third;
|
||||
|
||||
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<first>::type, boost::fusion::pair<short, char> >));
|
||||
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<second>::type, boost::fusion::pair<double, std::string> >));
|
||||
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<third>::type, boost::fusion::pair<abstract, long> >));
|
||||
}
|
||||
|
||||
{
|
||||
typedef map<
|
||||
pair<int, char>
|
||||
, pair<double, std::string>
|
||||
, pair<abstract, int> >
|
||||
map_type;
|
||||
typedef transform_view<map_type, simple_identity> transformed_type;
|
||||
|
||||
BOOST_MPL_ASSERT((traits::is_associative<transformed_type>));
|
||||
BOOST_MPL_ASSERT((traits::is_random_access<transformed_type>));
|
||||
|
||||
map_type m(
|
||||
make_pair<int>('X')
|
||||
, make_pair<double>("Men")
|
||||
, make_pair<abstract>(2));
|
||||
transformed_type t(m, simple_identity());
|
||||
|
||||
std::cout << at_key<int>(t) << std::endl;
|
||||
std::cout << at_key<double>(t) << std::endl;
|
||||
std::cout << at_key<abstract>(t) << std::endl;
|
||||
|
||||
BOOST_TEST(at_key<int>(t) == 'X');
|
||||
BOOST_TEST(at_key<double>(t) == "Men");
|
||||
BOOST_TEST(at_key<abstract>(t) == 2);
|
||||
|
||||
BOOST_STATIC_ASSERT((
|
||||
boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, int>::type, char>::value));
|
||||
BOOST_STATIC_ASSERT((
|
||||
boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, double>::type, std::string>::value));
|
||||
BOOST_STATIC_ASSERT((
|
||||
boost::is_same<boost::fusion::result_of::value_at_key<transformed_type, abstract>::type, int>::value));
|
||||
|
||||
std::cout << t << std::endl;
|
||||
|
||||
BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, int>::value));
|
||||
BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, double>::value));
|
||||
BOOST_STATIC_ASSERT((boost::fusion::result_of::has_key<transformed_type, abstract>::value));
|
||||
BOOST_STATIC_ASSERT((!boost::fusion::result_of::has_key<transformed_type, std::string>::value));
|
||||
|
||||
std::cout << deref_data(begin(t)) << std::endl;
|
||||
std::cout << deref_data(boost::fusion::next(begin(t))) << std::endl;
|
||||
|
||||
BOOST_TEST(deref_data(begin(t)) == 'X');
|
||||
BOOST_TEST(deref_data(boost::fusion::next(begin(t))) == "Men");
|
||||
BOOST_TEST(deref_data(boost::fusion::next(next(begin(t)))) == 2);
|
||||
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::begin<transformed_type>::type>::type, int>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type, double>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type>::type, abstract>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::begin<transformed_type>::type>::type, char>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type, std::string>::value));
|
||||
BOOST_STATIC_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<transformed_type>::type>::type>::type>::type, int>::value));
|
||||
|
||||
// Test random access interface.
|
||||
pair<int, char> a = at_c<0>(t); (void) a;
|
||||
pair<double, std::string> b = at_c<1>(t);
|
||||
pair<abstract, int> c = at_c<2>(t);
|
||||
(void)c;
|
||||
|
||||
typedef boost::fusion::result_of::begin<transformed_type>::type first;
|
||||
typedef boost::fusion::result_of::next<first>::type second;
|
||||
typedef boost::fusion::result_of::next<second>::type third;
|
||||
|
||||
// BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<first>::type, boost::fusion::pair<int, char> >));
|
||||
// BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<second>::type, boost::fusion::pair<double, std::string> >));
|
||||
// BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of<third>::type, boost::fusion::pair<abstract, int> >));
|
||||
}
|
||||
|
||||
{
|
||||
// compile test only
|
||||
// make sure result_of::deref_data returns a reference
|
||||
typedef map<pair<float, int> > map_type;
|
||||
typedef transform_view<map_type, simple_identity> transformed_type;
|
||||
typedef boost::fusion::result_of::begin<transformed_type>::type i_type;
|
||||
typedef boost::fusion::result_of::deref_data<i_type>::type r_type;
|
||||
BOOST_STATIC_ASSERT((boost::is_same<r_type, int&>::value));
|
||||
}
|
||||
|
||||
{
|
||||
// compile test only
|
||||
// make sure result_of::deref_data is const correct
|
||||
typedef map<pair<float, int> > const map_type;
|
||||
typedef transform_view<map_type, simple_identity> transformed_type;
|
||||
typedef boost::fusion::result_of::begin<transformed_type>::type i_type;
|
||||
typedef boost::fusion::result_of::deref_data<i_type>::type r_type;
|
||||
BOOST_STATIC_ASSERT((boost::is_same<r_type, int const&>::value));
|
||||
}
|
||||
|
||||
{
|
||||
// compile test only
|
||||
// make sure result_of::deref_data will not return a reference to temp object
|
||||
typedef map<pair<float, int> > const map_type;
|
||||
typedef transform_view<map_type, simple_identity_nonref> transformed_type;
|
||||
typedef boost::fusion::result_of::begin<transformed_type>::type i_type;
|
||||
typedef boost::fusion::result_of::deref_data<i_type>::type r_type;
|
||||
BOOST_STATIC_ASSERT((boost::is_same<r_type, int>::value));
|
||||
}
|
||||
|
||||
{
|
||||
// compile test only
|
||||
// make sure result_of::deref_data will not const for non-constant references
|
||||
typedef map<pair<float, int&> > const map_type;
|
||||
typedef transform_view<map_type, simple_identity> transformed_type;
|
||||
typedef boost::fusion::result_of::begin<transformed_type>::type i_type;
|
||||
typedef boost::fusion::result_of::deref_data<i_type>::type r_type;
|
||||
BOOST_STATIC_ASSERT((boost::is_same<r_type, int&>::value));
|
||||
}
|
||||
|
||||
return boost::report_errors();
|
||||
}
|
||||
|
||||
Reference in new issue
Block a user