42     return !std::equal(std::begin(ia), std::end(ia), std::begin(ic)              , eq)  in test_constexpr()
43         && !std::equal(std::begin(ia), std::end(ia), std::begin(ic), std::end(ic), eq)  in test_constexpr()
44         &&  std::equal(std::begin(ib), std::end(ib), std::begin(ic)              , eq)  in test_constexpr()
45         && !std::equal(std::begin(ib), std::end(ib), std::begin(ic), std::end(ic), eq)  in test_constexpr()
47 …     &&  std::equal(II(std::begin(ib)), II(std::end(ib)), II(std::begin(ic))                  , eq)  in test_constexpr()
48 …     && !std::equal(BI(std::begin(ib)), BI(std::end(ib)), BI(std::begin(ic)), BI(std::end(ic)), eq)  in test_constexpr()
66     assert(std::equal(cpp17_input_iterator<const int*>(ia),  in main()
71     assert(std::equal(cpp17_input_iterator<const int*>(ia),  in main()
76     assert(std::equal(random_access_iterator<const int*>(ia),  in main()
83     assert(!std::equal(cpp17_input_iterator<const int*>(ia),  in main()
90     assert(!std::equal(random_access_iterator<const int*>(ia),  in main()
97     assert(!std::equal(cpp17_input_iterator<const int*>(ia),  in main()
102     assert(!std::equal(cpp17_input_iterator<const int*>(ia),  in main()
107     assert(!std::equal(random_access_iterator<const int*>(ia),  in main()