add example where a type parameter is used a return type (dotnet#40188)

BBOYCOSTY3 · Mar 26, 2024 · 1b9821b · 1b9821b
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diff --git a/docs/csharp/programming-guide/generics/generic-methods.md b/docs/csharp/programming-guide/generics/generic-methods.md
@@ -50,6 +50,10 @@ class GenericList2<T>
 
  [!code-csharp[csProgGuideGenerics#28](~/samples/snippets/csharp/VS_Snippets_VBCSharp/csProgGuideGenerics/CS/Generics.cs#28)]  
 
+ You can also use the type parameter as the return type of a method. The following code example shows a method that returns an array of type `T`:  
+
+ [!code-csharp[csProgGuideGenerics#29](~/samples/snippets/csharp/VS_Snippets_VBCSharp/csProgGuideGenerics/CS/Generics.cs#29)]
+
 ## C# Language Specification  
 
  For more information, see the [C# Language Specification](~/_csharpstandard/standard/classes.md#156-methods).  

diff --git a/samples/snippets/csharp/VS_Snippets_VBCSharp/csProgGuideGenerics/CS/Generics.cs b/samples/snippets/csharp/VS_Snippets_VBCSharp/csProgGuideGenerics/CS/Generics.cs
@@ -392,6 +392,16 @@ void DoWork<T>() { }
             void DoWork<T, U>() { }
             //</Snippet28>
         }
+
+        class Test3
+        {
+            //<Snippet29>
+            T[] Swap<T>(T a, T b)
+            {
+                return [b, a];
+            }
+            //</Snippet29>
+        }
     }
 
     //---------------------------------------------------------------------------