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