Add Dynamic::UNIT.

doc/src/patterns/control.md

@@ -118,7 +118,7 @@ engine.register_result_fn("bunny_set_speed", move |speed: i64|
         return Err("Bunny is not yet going!".into());
     }
 
-    Ok(().into())
+    Ok(Dynamic::UNIT)
 );
 ```
 

doc/src/patterns/events.md

@@ -137,7 +137,7 @@ impl Handler {
                             // Default implementation of 'update' event handler
                             self.scope.set_value("state2", SomeType::new(42));
                             // Turn function-not-found into a success
-                            Ok(().into())
+                            Ok(Dynamic::UNIT)
                         }
                         _ => Err(err.into())
                     })

doc/src/patterns/singleton.md

@@ -131,7 +131,7 @@ pub mod bunny_api {
             Err("Bunny is not yet going!".into())
         } else {
             b.borrow_mut().set_speed(speed);
-            Ok(().into())
+            Ok(Dynamic::UNIT)
         }
     }
     pub fn turn_left(bunny: &mut SharedBunny) {