1 #include <iostream>
2 #include <nlohmann/json.hpp>
3
4 using json = nlohmann::json;
5
main()6 int main()
7 {
8 // create JSON values
9 json j_array = {"alpha", "bravo", "charly", "delta", "easy"};
10 json j_number = 42;
11 json j_object = {{"one", "eins"}, {"two", "zwei"}};
12
13 // create copies using iterators
14 json j_array_range(j_array.begin() + 1, j_array.end() - 2);
15 json j_number_range(j_number.begin(), j_number.end());
16 json j_object_range(j_object.begin(), j_object.find("two"));
17
18 // serialize the values
19 std::cout << j_array_range << '\n';
20 std::cout << j_number_range << '\n';
21 std::cout << j_object_range << '\n';
22
23 // example for an exception
24 try
25 {
26 json j_invalid(j_number.begin() + 1, j_number.end());
27 }
28 catch (json::invalid_iterator& e)
29 {
30 std::cout << e.what() << '\n';
31 }
32 }
33