31     size_t idx = 0;  in main()  local
32     assert(std::stoll("10g", &idx, 16) == 16);  in main()
33     assert(idx == 2);  in main()
34     idx = 0;  in main()
35     assert(std::stoll(L"10g", &idx, 16) == 16);  in main()
36     assert(idx == 2);  in main()
37     idx = 0;  in main()
40         std::stoll("", &idx);  in main()
45         assert(idx == 0);  in main()
49         std::stoll(L"", &idx);  in main()
54         assert(idx == 0);  in main()
58         std::stoll("  - 8", &idx);  in main()
63         assert(idx == 0);  in main()
67         std::stoll(L"  - 8", &idx);  in main()
72         assert(idx == 0);  in main()
76         std::stoll("a1", &idx);  in main()
81         assert(idx == 0);  in main()
85         std::stoll(L"a1", &idx);  in main()
90         assert(idx == 0);  in main()
94         std::stoll("99999999999999999999999999", &idx);  in main()
99         assert(idx == 0);  in main()
103         std::stoll(L"99999999999999999999999999", &idx);  in main()
108         assert(idx == 0);  in main()