deploy: 40a62947d3

api/basic_json/empty.md

@@ -51,13 +51,52 @@ itself is empty which is `#!cpp false` in the case of a string.
     The following code uses `empty()` to check if a JSON object contains any elements.
     
     ```cpp
-    --8<-- "examples/empty.cpp"
+    #include <iostream>
+    #include <nlohmann/json.hpp>
+    
+    using json = nlohmann::json;
+    
+    int main()
+    {
+        // create JSON values
+        json j_null;
+        json j_boolean = true;
+        json j_number_integer = 17;
+        json j_number_float = 23.42;
+        json j_object = {{"one", 1}, {"two", 2}};
+        json j_object_empty(json::value_t::object);
+        json j_array = {1, 2, 4, 8, 16};
+        json j_array_empty(json::value_t::array);
+        json j_string = "Hello, world";
+    
+        // call empty()
+        std::cout << std::boolalpha;
+        std::cout << j_null.empty() << '\n';
+        std::cout << j_boolean.empty() << '\n';
+        std::cout << j_number_integer.empty() << '\n';
+        std::cout << j_number_float.empty() << '\n';
+        std::cout << j_object.empty() << '\n';
+        std::cout << j_object_empty.empty() << '\n';
+        std::cout << j_array.empty() << '\n';
+        std::cout << j_array_empty.empty() << '\n';
+        std::cout << j_string.empty() << '\n';
+    }
+    
     ```
     
     Output:
     
     ```json
-    --8<-- "examples/empty.output"
+    true
+    false
+    false
+    false
+    false
+    true
+    false
+    true
+    false
+    
     ```
 
 ## See also