1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
// Copyright 2015-2017, 2025 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/mp11/integral.hpp>
#include <boost/mp11/bind.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
struct X2 {};
struct X3 {};
struct X4 {};
template<class T1, class T2> struct F {};
int main()
{
using boost::mp11::mp_list;
using boost::mp11::mp_reverse_fold_q;
using boost::mp11::mp_quote;
using Q = mp_quote<F>;
{
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<>, void, Q>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1>, void, Q>, F<X1, void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1, X2>, void, Q>, F<X1, F<X2, void>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1, X2, X3>, void, Q>, F<X1, F<X2, F<X3, void>>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1, X2, X3, X4>, void, Q>, F<X1, F<X2, F<X3, F<X4, void>>>>>));
}
{
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<>, void, Q>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1>, void, Q>, F<X1, void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2>, void, Q>, F<X1, F<X2, void>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3>, void, Q>, F<X1, F<X2, F<X3, void>>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3, X4>, void, Q>, F<X1, F<X2, F<X3, F<X4, void>>>>>));
}
{
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::pair<X1, X2>, void, Q>, F<X1, F<X2, void>>>));
}
using boost::mp11::mp_bind;
using boost::mp11::_1;
using boost::mp11::_2;
using boost::mp11::mp_push_back;
{
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3, X4>, mp_list<>, mp_bind<mp_push_back, _2, _1>>, mp_list<X4, X3, X2, X1>>));
}
using boost::mp11::mp_push_front;
{
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3, X4>, mp_list<>, mp_bind<mp_push_front, _2, _1>>, mp_list<X1, X2, X3, X4>>));
}
return boost::report_errors();
}
|
