84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2018 Kohei Takahashi
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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/core/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/sequence/comparison/equal_to.hpp>
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#include <boost/fusion/algorithm/iteration/for_each.hpp>
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#include <boost/mpl/vector_c.hpp>
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struct print
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{
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template <typename T>
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void operator()(T const& v) const
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{
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std::cout << "[ " << v << " ] ";
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}
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};
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struct increment
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{
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template <typename T>
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void operator()(T& v) const
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{
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++v;
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}
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};
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struct mutable_increment : increment
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{
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template <typename T>
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void operator()(T& v)
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{
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return increment::operator()(v);
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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_c;
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namespace fusion = boost::fusion;
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{
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typedef vector<int, char, double, char const*> vector_type;
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vector_type v(1, 'x', 3.3, "Ruby");
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for_each(v, print());
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std::cout << std::endl;
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}
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{
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char const ruby[] = "Ruby";
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typedef vector<int, char, double, char const*> vector_type;
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vector_type v(1, 'x', 3.3, ruby);
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for_each(v, increment());
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BOOST_TEST_EQ(v, vector_type(2, 'y', 4.3, ruby + 1));
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std::cout << v << std::endl;
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}
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{
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char const ruby[] = "Ruby";
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typedef vector<int, char, double, char const*> vector_type;
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vector_type v(1, 'x', 3.3, ruby);
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for_each(v, mutable_increment());
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BOOST_TEST_EQ(v, vector_type(2, 'y', 4.3, ruby + 1));
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std::cout << v << std::endl;
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}
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{
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typedef vector_c<int, 2, 3, 4, 5, 6> mpl_vec;
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fusion::for_each(mpl_vec(), print());
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std::cout << std::endl;
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}
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return boost::report_errors();
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}
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