1
2 // Copyright 2017 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/mp11/bind.hpp>
11 #include <boost/mp11/utility.hpp>
12 #include <boost/mp11/algorithm.hpp>
13 #include <boost/core/lightweight_test_trait.hpp>
14 #include <type_traits>
15
16 template<class...> struct L {};
17 template<class, class> struct P {};
18
19 template<class T, class U> using is_base_of_t = typename std::is_base_of<T, U>::type;
20
21 struct B1 {};
22 struct B2 {};
23 struct D: B1, B2 {};
24 struct NB {};
25
main()26 int main()
27 {
28 using namespace boost::mp11;
29
30 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back<L, char[1], char[2]>::fn<int[1], int[2], int[3]>, L<int[1], int[2], int[3], char[1], char[2]>>));
31 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back_q<mp_quote<L>, char[1], char[2]>::fn<int[1], int[2], int[3]>, L<int[1], int[2], int[3], char[1], char[2]>>));
32
33 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back<P, char[1]>::fn<int[1]>, P<int[1], char[1]>>));
34 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back_q<mp_quote<P>, char[1]>::fn<int[1]>, P<int[1], char[1]>>));
35
36 //
37
38 using L1 = L<B1, B2, NB>;
39
40 {
41 using L2 = mp_transform<mp_bind_back<is_base_of_t, D>::fn, L1>;
42 BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
43 }
44
45 {
46 using L2 = mp_transform_q<mp_bind_back<is_base_of_t, D>, L1>;
47 BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
48 }
49
50 {
51 using L2 = mp_transform<mp_bind_back_q<mp_quote<is_base_of_t>, D>::fn, L1>;
52 BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
53 }
54
55 {
56 using L2 = mp_transform_q<mp_bind_back_q<mp_quote<is_base_of_t>, D>, L1>;
57 BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
58 }
59
60 //
61
62 return boost::report_errors();
63 }
64