1 #include <iostream> 2 #include <iomanip> 3 #include <nlohmann/json.hpp> 4 5 using json = nlohmann::json; 6 using namespace nlohmann::literals; 7 main()8int main() 9 { 10 std::cout << "hash(null) = " << std::hash<json> {}(json(nullptr)) << '\n' 11 << "hash(false) = " << std::hash<json> {}(json(false)) << '\n' 12 << "hash(0) = " << std::hash<json> {}(json(0)) << '\n' 13 << "hash(0U) = " << std::hash<json> {}(json(0U)) << '\n' 14 << "hash(\"\") = " << std::hash<json> {}(json("")) << '\n' 15 << "hash({}) = " << std::hash<json> {}(json::object()) << '\n' 16 << "hash([]) = " << std::hash<json> {}(json::array()) << '\n' 17 << "hash({\"hello\": \"world\"}) = " << std::hash<json> {}("{\"hello\": \"world\"}"_json) 18 << std::endl; 19 } 20