1 #include <iostream> 2 #include <nlohmann/json.hpp> 3 4 using json = nlohmann::json; 5 main()6int main() 7 { 8 // different JSON Pointers 9 json::json_pointer ptr0; 10 json::json_pointer ptr1(""); 11 json::json_pointer ptr2("/foo"); 12 json::json_pointer ptr3("/foo/0"); 13 14 // call empty() 15 std::cout << std::boolalpha 16 << ptr0 << ": " << ptr0.empty() << '\n' 17 << ptr1 << ": " << ptr1.empty() << '\n' 18 << ptr2 << ": " << ptr2.empty() << '\n' 19 << ptr3 << ": " << ptr3.empty() << std::endl; 20 } 21