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- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- 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/detail/lightweight_test.hpp>
- #include <boost/fusion/container/vector/vector.hpp>
- #include <boost/fusion/container/list/list.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/container/generation/make_vector.hpp>
- #include <boost/fusion/container/generation/make_list.hpp>
- #include <boost/fusion/algorithm/transformation/pop_back.hpp>
- #include <boost/fusion/algorithm/transformation/push_back.hpp>
- #include <boost/fusion/algorithm/query/find.hpp>
- #include <boost/fusion/include/back.hpp>
- #include <boost/fusion/include/array.hpp>
- #include <boost/array.hpp>
- #include <boost/mpl/vector_c.hpp>
- int
- main()
- {
- using namespace boost::fusion;
- std::cout << tuple_open('[');
- std::cout << tuple_close(']');
- std::cout << tuple_delimiter(", ");
- /// Testing pop_back
- {
- char const* s = "Ruby";
- typedef vector<int, char, double, char const*> vector_type;
- vector_type t1(1, 'x', 3.3, s);
- {
- std::cout << pop_back(t1) << std::endl;
- BOOST_TEST((pop_back(t1) == make_vector(1, 'x', 3.3)));
- }
- }
- {
- typedef boost::mpl::vector_c<int, 1, 2, 3, 4, 5> mpl_vec;
- std::cout << boost::fusion::pop_back(mpl_vec()) << std::endl;
- BOOST_TEST((boost::fusion::pop_back(mpl_vec()) == make_vector(1, 2, 3, 4)));
- }
- {
- list<int, int> l(1, 2);
- std::cout << pop_back(l) << std::endl;
- BOOST_TEST((pop_back(l) == make_list(1)));
- }
- { // make sure empty sequences are OK
- list<int> l(1);
- std::cout << pop_back(l) << std::endl;
- BOOST_TEST((pop_back(l) == make_list()));
- }
- {
- single_view<int> sv(1);
- std::cout << pop_back(sv) << std::endl;
- // Compile check only
- (void)(begin(pop_back(sv)) == end(sv));
- (void)(end(pop_back(sv)) == begin(sv));
- }
- // $$$ JDG: TODO add compile fail facility $$$
- //~ { // compile fail check (Disabled for now)
- //~ list<> l;
- //~ std::cout << pop_back(l) << std::endl;
- //~ }
- #ifndef BOOST_NO_CXX11_AUTO_DECLARATIONS
- {
- auto vec = make_vector(1, 3.14, "hello");
- // Compile check only
- auto popv = pop_back(vec);
- std::cout << popv << std::endl;
- auto push = push_back(vec, 42);
- auto pop = pop_back(vec);
- auto i1 = find<int>(popv);
- auto i2 = find<double>(pop);
- (void)push;
- BOOST_TEST(i1 != end(pop));
- BOOST_TEST(i2 != end(pop));
- BOOST_TEST(i1 != i2);
- }
- #endif
- {
- boost::array<std::size_t, 2> a = {{ 10, 50 }};
- BOOST_TEST(back(pop_back(a)) == 10);
- }
- return boost::report_errors();
- }
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