forked from boostorg/fusion
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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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/sequence/container/vector/vector.hpp>
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#include <boost/fusion/sequence/adapted/mpl.hpp>
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#include <boost/fusion/sequence/io/out.hpp>
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#include <boost/fusion/algorithm/query/find_if.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/mpl/vector_c.hpp>
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#include <boost/mpl/less.hpp>
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#include <boost/type_traits/is_same.hpp>
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struct X
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{
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operator int() const
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{
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return 12345;
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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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{
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using boost::is_same;
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using boost::mpl::_;
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typedef vector<int, char, int, double> vector_type;
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vector_type v(12345, 'x', 678910, 3.36);
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std::cout << *find_if<is_same<_, char> >(v) << std::endl;
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BOOST_TEST((*find_if<is_same<_, char> >(v) == 'x'));
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std::cout << *find_if<is_same<_, int> >(v) << std::endl;
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BOOST_TEST((*find_if<is_same<_, int> >(v) == 12345));
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std::cout << *find_if<is_same<_, double> >(v) << std::endl;
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BOOST_TEST((*find_if<is_same<_, double> >(v) == 3.36));
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}
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{
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using boost::mpl::vector;
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using boost::is_same;
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using boost::mpl::_;
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typedef vector<int, char, X, double> mpl_vec;
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BOOST_TEST((*find_if<is_same<_, X> >(mpl_vec()) == 12345));
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}
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{
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using boost::mpl::vector_c;
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using boost::mpl::less;
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using boost::mpl::int_;
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using boost::is_same;
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using boost::mpl::_;
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typedef vector_c<int, 1, 2, 3, 4> mpl_vec;
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BOOST_TEST((*find_if<less<_, int_<3> > >(mpl_vec()) == 1));
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}
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return boost::report_errors();
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}
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