more documentation

doc/examples/operator_deserialize.output

@@ -0,0 +1,13 @@
+{
+  "array": [
+    1,
+    2,
+    3,
+    4,
+    5
+  ],
+  "boolean": false,
+  "null": null,
+  "number": 23,
+  "string": "Hello, world!"
+}