Remove EmptyArray<T> class

Author: drewnoakes

src/NetMQ/Core/Mechanisms/Mechanism.cs

@@ -190,7 +190,7 @@ protected void AddBasicProperties(Span<byte> output)
                 }
                 else
                 {
-                    written = AddProperty(output, ZmtpPropertyIdentity, new byte[0]);
+                    written = AddProperty(output, ZmtpPropertyIdentity, []);
                     output = output.Slice(written);
                 }
             }

src/NetMQ/Core/Patterns/Utils/MultiTrie.cs

@@ -149,7 +149,7 @@ private bool AddHelper(Span<byte> prefix, [NotNull] Pipe pipe)
         /// <returns></returns>
         public bool RemoveHelper([NotNull] Pipe pipe, [NotNull] MultiTrieDelegate func, [CanBeNull] object arg)
         {
-            return RemoveHelper(pipe, EmptyArray<byte>.Instance, 0, 0, func, arg);
+            return RemoveHelper(pipe, [], 0, 0, func, arg);
         }
 
         private bool RemoveHelper([NotNull] Pipe pipe, [NotNull] byte[] buffer, int bufferSize, int maxBufferSize, [NotNull] MultiTrieDelegate func, [CanBeNull] object arg)

src/NetMQ/EmptyArray.cs

@@ -25,7 +25,7 @@ public class NetMQFrame : IEquatable<NetMQFrame>, IEquatable<byte[]>
         /// <param name="buffer">a byte-array to hold as the frame's data</param>
         public NetMQFrame(byte[]? buffer)
         {
-            buffer ??= EmptyArray<byte>.Instance;
+            buffer ??= [];
 
             Buffer = buffer;
             MessageSize = buffer.Length;

src/NetMQ/NetMQFrame.cs

@@ -128,7 +128,7 @@ public void Enqueue(T value)
             m_queue.Enqueue(value);
 
             var msg = new Msg();
-            msg.InitGC(EmptyArray<byte>.Instance, 0);
+            msg.InitGC([], 0);
 
             lock (m_writer)
                 m_writer.TrySend(ref msg, SendReceiveConstants.InfiniteTimeout, false);

src/NetMQ/NetMQQueue.cs

@@ -507,7 +507,7 @@ public static bool TrySendMultipartMessage(this IOutgoingSocket socket, NetMQMes
         /// <param name="more">set this flag to true to signal that you will be immediately sending another frame (optional: default is false)</param>
         public static void SendFrameEmpty(this IOutgoingSocket socket, bool more = false)
         {
-            SendFrame(socket, EmptyArray<byte>.Instance, more);
+            SendFrame(socket, [], more);
         }
 
 
@@ -519,7 +519,7 @@ public static void SendFrameEmpty(this IOutgoingSocket socket, bool more = false
         /// <returns>a reference to this IOutgoingSocket so that method-calls may be chained together</returns>
         public static IOutgoingSocket SendMoreFrameEmpty(this IOutgoingSocket socket)
         {
-            SendFrame(socket, EmptyArray<byte>.Instance, true);
+            SendFrame(socket, [], true);
 
             return socket;
         }
@@ -538,7 +538,7 @@ public static IOutgoingSocket SendMoreFrameEmpty(this IOutgoingSocket socket)
         /// <returns><c>true</c> if a message was available, otherwise <c>false</c>.</returns>
         public static bool TrySendFrameEmpty(this IOutgoingSocket socket, TimeSpan timeout, bool more = false)
         {
-            return TrySendFrame(socket, timeout, EmptyArray<byte>.Instance, more);
+            return TrySendFrame(socket, timeout, [], more);
         }
 
         #endregion
@@ -554,7 +554,7 @@ public static bool TrySendFrameEmpty(this IOutgoingSocket socket, TimeSpan timeo
         /// <returns><c>true</c> if a message was available, otherwise <c>false</c>.</returns>
         public static bool TrySendFrameEmpty(this IOutgoingSocket socket, bool more = false)
         {
-            return TrySendFrame(socket, EmptyArray<byte>.Instance, more);
+            return TrySendFrame(socket, [], more);
         }
 
         #endregion