deploy: 63c10a51fc

examples/flatten__empty.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+#include <iomanip>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+
+int main()
+{
+    // create a JSON value with an empty object and an empty array
+    json j =
+    {
+        {"empty_object", json::object()},
+        {"empty_array", json::array()},
+        {"name", "Niels"}
+    };
+
+    // call flatten()
+    json flattened = j.flatten();
+    std::cout << std::setw(4) << flattened << "\n\n";
+
+    // the empty containers cannot be restored by unflatten()
+    std::cout << std::setw(4) << flattened.unflatten() << '\n';
+}