Net482 supports arm. Better Null Handling

Author: Christoph Bauer

src/NetMQ/Core/Utils/OpCode.cs

@@ -20,13 +20,12 @@ public static bool Open()
             string? val = Environment.GetEnvironmentVariable("NETQM_SUPPRESS_RDTSC");
             if (!string.IsNullOrEmpty(val))
                 return false;
-#if NETSTANDARD || NET 
+
             if (RuntimeInformation.ProcessArchitecture != Architecture.X86 &&
                 RuntimeInformation.ProcessArchitecture != Architecture.X64)
             {
                 return false; // RDTSC instruction not supported
             }
-#endif
 
             var p = (int)Environment.OSVersion.Platform;
 

src/NetMQ/NetMQPoller.cs

@@ -155,7 +155,7 @@ public NetMQPoller()
 
                 // Try to dequeue and execute all pending tasks
                 while (m_tasksQueue.TryDequeue(out Task? task, TimeSpan.Zero))
-                    TryExecuteTask(task!);
+                    TryExecuteTask(task);
             };
 
             m_sockets.Add(((ISocketPollable)m_tasksQueue).Socket);
@@ -639,11 +639,9 @@ private void RunPoller()
                     }
                 }
 
-#if !NET35
                 // Try to dequeue and execute all pending tasks before stopping poller
                 while (m_tasksQueue.TryDequeue(out Task? task, TimeSpan.Zero))
-                    TryExecuteTask(task!);
-#endif
+                    TryExecuteTask(task);
             }
             finally
             {

src/NetMQ/NetMQQueue.cs

@@ -94,7 +94,7 @@ public event EventHandler<NetMQQueueEventArgs<T>> ReceiveReady
         /// <param name="result">Will be filled with the item upon success</param>
         /// <param name="timeout">Timeout to try and dequeue and item</param>
         /// <returns>Will return false if it didn't succeed to dequeue an item after the timeout.</returns>
-        public bool TryDequeue(out T? result, TimeSpan timeout)
+        public bool TryDequeue([MaybeNullWhen(false)] out T result, TimeSpan timeout)
         {
             if (m_reader.TryReceive(ref m_dequeueMsg, timeout))
             {