From 39228f49b24cef6a40f5ea3461c2133a40207d6b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Sim=C3=B5es?= <jose.simoes@eclo.solutions>
Date: Thu, 18 Sep 2025 13:21:47 +0100
Subject: [PATCH] Add `ByRefLikeGenerics` to runtime features

---
 .../Runtime/CompilerServices/RuntimeFeature.cs  | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/nanoFramework.CoreLibrary/System/Runtime/CompilerServices/RuntimeFeature.cs b/nanoFramework.CoreLibrary/System/Runtime/CompilerServices/RuntimeFeature.cs
index a5f408a5..8d1bdf58 100644
--- a/nanoFramework.CoreLibrary/System/Runtime/CompilerServices/RuntimeFeature.cs
+++ b/nanoFramework.CoreLibrary/System/Runtime/CompilerServices/RuntimeFeature.cs
@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 namespace System.Runtime.CompilerServices
@@ -13,17 +13,22 @@ public static partial class RuntimeFeature
         /// </summary>
         public const string DefaultImplementationsOfInterfaces = nameof(DefaultImplementationsOfInterfaces);
 
+        /// <summary>
+        /// Represents a runtime feature where byref-like types can be used in Generic parameters.
+        /// </summary>
+        public const string ByRefLikeGenerics = nameof(ByRefLikeGenerics);
+
         /// <summary>
         /// Checks whether a certain feature is supported by the Runtime.
         /// </summary>
         public static bool IsSupported(string feature)
         {
-            if (feature == DefaultImplementationsOfInterfaces)
+            return feature switch
             {
-                return true;
-            }
-
-            return false;
+                ByRefLikeGenerics or
+                DefaultImplementationsOfInterfaces => true,
+                _ => false,
+            };
         }
     }
 }