1
2 // Copyright 2015, 2019 Peter Dimov
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 //
6 // See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt
8
9
10 #include <boost/core/lightweight_test_trait.hpp>
11 #include <boost/mp11/algorithm.hpp>
12 #include <boost/mp11/list.hpp>
13 #include <boost/mp11/utility.hpp>
14 #include <type_traits>
15 #include <tuple>
16 #include <utility>
17
main()18 int main()
19 {
20 using boost::mp11::mp_list;
21 using boost::mp11::mp_pop_back;
22
23 using L1 = mp_list<void>;
24 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_back<L1>, mp_list<>>));
25
26 using L2 = mp_list<float, void, int[]>;
27 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_back<L2>, mp_list<float, void>>));
28
29 using L3 = std::tuple<int>;
30 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_back<L3>, std::tuple<>>));
31
32 using L4 = std::tuple<char, double>;
33 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_back<L4>, std::tuple<char>>));
34
35 using boost::mp11::mp_iota_c;
36 using boost::mp11::mp_size_t;
37
38 int const N = 137;
39
40 using L6 = mp_iota_c<N>;
41 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_back<L6>, mp_iota_c<N-1>>));
42
43 using boost::mp11::mp_valid;
44
45 using L7 = mp_list<>;
46 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_pop_back, L7>));
47
48 return boost::report_errors();
49 }
50