From 8a9729d900ff3fad8db055aca56fbc4f72775e89 Mon Sep 17 00:00:00 2001
From: 31 <331300+31@users.noreply.github.com>
Date: Sun, 5 Feb 2023 07:22:07 -0600
Subject: [PATCH] Add C# type test example (pattern matching) (#6732)

* Add C# type test example (pattern matching)
* Connect section to "is" section, put "advanced" note back
---
 tutorials/scripting/c_sharp/c_sharp_features.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tutorials/scripting/c_sharp/c_sharp_features.rst b/tutorials/scripting/c_sharp/c_sharp_features.rst
index b4d5a6b57..fc0aea6b9 100644
--- a/tutorials/scripting/c_sharp/c_sharp_features.rst
+++ b/tutorials/scripting/c_sharp/c_sharp_features.rst
@@ -82,6 +82,17 @@ the result is always going to be ``false``.
         // This block can never happen.
     }
 
+You can also declare a new variable to conditionally store the result of the cast
+if the ``is`` operator returns ``true``.
+
+.. code-block:: csharp
+
+    if (GetNode("MySprite") is Sprite2D mySprite)
+    {
+        // The mySprite variable only exists inside this block, and it's never null.
+        mySprite.SetFrame(0);
+    }
+
 For more advanced type checking, you can look into `Pattern Matching <https://docs.microsoft.com/en-us/dotnet/csharp/pattern-matching>`_.