Update example

Author: mackysoft

Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Example/Example.unity

@@ -334,6 +334,7 @@ MonoBehaviour:
   - id: 1
   - id: 2
   - id: 3
+  - id: 4
   references:
     version: 1
     00000000:
@@ -348,6 +349,8 @@ MonoBehaviour:
       type: {class: Example/NestedCommand, ns: MackySoft.SerializeReferenceExtensions.Example, asm: Assembly-CSharp}
     00000003:
       type: {class: AddTypeMenuCommand, ns: MackySoft.SerializeReferenceExtensions.Example, asm: Assembly-CSharp}
+    00000004:
+      type: {class: StructCommand, ns: MackySoft.SerializeReferenceExtensions.Example, asm: Assembly-CSharp}
 --- !u!4 &1098750747
 Transform:
   m_ObjectHideFlags: 0

Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Example/ExampleAssets/Scripts/Runtime/Example.cs

@@ -69,5 +69,12 @@ public void Execute () {
 		}
 	}
 
+	[Serializable]
+	public struct StructCommand : ICommand {
+		public void Execute () {
+			Debug.Log("Execute StructCommand");
+		}
+	}
+
 }
 #endif