1 #include <iostream> 2 #include <iomanip> 3 #include <nlohmann/json.hpp> 4 5 using json = nlohmann::json; 6 main()7int main() 8 { 9 // the original document 10 json doc = R"( 11 { 12 "baz": "qux", 13 "foo": "bar" 14 } 15 )"_json; 16 17 // the patch 18 json patch = R"( 19 [ 20 { "op": "replace", "path": "/baz", "value": "boo" }, 21 { "op": "add", "path": "/hello", "value": ["world"] }, 22 { "op": "remove", "path": "/foo"} 23 ] 24 )"_json; 25 26 // apply the patch 27 json patched_doc = doc.patch(patch); 28 29 // output original and patched document 30 std::cout << std::setw(4) << doc << "\n\n" 31 << std::setw(4) << patched_doc << std::endl; 32 } 33