using primary constructors, and more [] syntax

src/Client.Helpers.cs

@@ -83,7 +83,7 @@ namespace WTelegram
 					}
 				}
 				Task[] remainingTasks;
-				lock (tasks) remainingTasks = tasks.Values.ToArray();
+				lock (tasks) remainingTasks = [.. tasks.Values];
 				await Task.WhenAll(remainingTasks); // wait completion and eventually propagate any task exception
 				return isBig ? new InputFileBig { id = file_id, parts = file_total_parts, name = filename }
 					: new InputFile { id = file_id, parts = file_total_parts, name = filename };
@@ -398,7 +398,7 @@ namespace WTelegram
 				}
 			}
 			Task[] remainingTasks;
-			lock (tasks) remainingTasks = tasks.Values.ToArray();
+			lock (tasks) remainingTasks = [.. tasks.Values];
 			await Task.WhenAll(remainingTasks); // wait completion and eventually propagate any task exception
 			await outputStream.FlushAsync();
 			if (canSeek) outputStream.Seek(streamStartPos + maxOffsetSeen, SeekOrigin.Begin);
@@ -491,8 +491,8 @@ namespace WTelegram
 						foreach (var (key, value) in md.chats) mds.chats[key] = value;
 						foreach (var (key, value) in md.users) mds.users[key] = value;
 					}
-					mds.dialogs = dialogList.ToArray();
-					mds.messages = messageList.ToArray();
+					mds.dialogs = [.. dialogList];
+					mds.messages = [.. messageList];
 					return mds;
 				case Messages_Dialogs md: return md;
 				default: throw new WTException("Messages_GetDialogs returned unexpected " + dialogs?.GetType().Name);
@@ -526,7 +526,7 @@ namespace WTelegram
 				await GetWithFilter(new ChannelParticipantsKicked { q = "" }, (f, c) => new ChannelParticipantsKicked { q = f.q + c }, alphabet1);
 				await GetWithFilter(new ChannelParticipantsBanned { q = "" }, (f, c) => new ChannelParticipantsBanned { q = f.q + c }, alphabet1);
 			}
-			result.participants = participants.ToArray();
+			result.participants = [.. participants];
 			return result;
 
 			async Task GetWithFilter<T>(T filter, Func<T, char, T> recurse = null, string alphabet = null) where T : ChannelParticipantsFilter
@@ -572,7 +572,7 @@ namespace WTelegram
 				foreach (var kvp in result.chats) resultFull.chats[kvp.Key] = kvp.Value;
 				foreach (var kvp in result.users) resultFull.users[kvp.Key] = kvp.Value;
 			}
-			resultFull.events = events.ToArray();
+			resultFull.events = [.. events];
 			return resultFull;
 		}
 

src/Client.cs

@@ -1254,7 +1254,7 @@ namespace WTelegram
 			lock (_msgsToAck)
 			{
 				if (_msgsToAck.Count == 0) return null;
-				var msgsAck = new MsgsAck { msg_ids = _msgsToAck.ToArray() };
+				var msgsAck = new MsgsAck { msg_ids = [.. _msgsToAck] };
 				_msgsToAck.Clear();
 				return msgsAck;
 			}

src/Encryption.cs

@@ -319,19 +319,12 @@ j4WcDuXc2CTHgH8gFTNhp/Y8/SpDOhvn9QIDAQAB
 		}
 
 #if OBFUSCATION
-		internal class AesCtr : IDisposable
+		internal class AesCtr(byte[] key, byte[] ivec) : IDisposable
 		{
-			readonly ICryptoTransform _encryptor;
-			readonly byte[] _ivec;
+			readonly ICryptoTransform _encryptor = AesECB.CreateEncryptor(key, null);
 			readonly byte[] _ecount = new byte[16];
 			int _num;
 
-			public AesCtr(byte[] key, byte[] iv)
-			{
-				_encryptor = AesECB.CreateEncryptor(key, null);
-				_ivec = iv;
-			}
-
 			public void Dispose() => _encryptor.Dispose();
 
 			public void EncryptDecrypt(byte[] buffer, int length)
@@ -340,9 +333,9 @@ j4WcDuXc2CTHgH8gFTNhp/Y8/SpDOhvn9QIDAQAB
 				{
 					if (_num == 0)
 					{
-						_encryptor.TransformBlock(_ivec, 0, 16, _ecount, 0);
+						_encryptor.TransformBlock(ivec, 0, 16, _ecount, 0);
 						for (int n = 15; n >= 0; n--) // increment big-endian counter
-							if (++_ivec[n] != 0) break;
+							if (++ivec[n] != 0) break;
 					}
 					buffer[i] ^= _ecount[_num];
 					_num = (_num + 1) % 16;

src/SecretChats.cs

@@ -80,7 +80,7 @@ namespace WTelegram
 		}
 		public void Dispose() { OnChanged?.Invoke(); storage?.Dispose(); sha256.Dispose(); sha1.Dispose(); }
 
-		public List<ISecretChat> Chats => chats.Values.ToList<ISecretChat>();
+		public List<ISecretChat> Chats => [.. chats.Values];
 
 		public bool IsChatActive(int chat_id) => !(chats.GetValueOrDefault(chat_id)?.flags.HasFlag(SecretChat.Flags.requestChat) ?? true);
 

src/Session.cs

@@ -192,11 +192,9 @@ namespace WTelegram
 		}
 	}
 
-	internal class ActionStore : MemoryStream
+	internal class ActionStore(byte[] initial, Action<byte[]> save) : MemoryStream(initial ?? [])
 	{
-		private readonly Action<byte[]> _save;
-		public ActionStore(byte[] initial, Action<byte[]> save) : base(initial ?? []) => _save = save;
-		public override void Write(byte[] buffer, int offset, int count) => _save(buffer[offset..(offset + count)]);
+		public override void Write(byte[] buffer, int offset, int count) => save(buffer[offset..(offset + count)]);
 		public override void SetLength(long value) { }
 	}
 }

src/TL.Extensions.cs

@@ -165,7 +165,7 @@ namespace TL
 			if (lastBlockQuote is { length: -1 })
 				lastBlockQuote.length = sb.Length - lastBlockQuote.offset;
 			text = sb.ToString();
-			return entities.Count == 0 ? null : entities.ToArray();
+			return entities.Count == 0 ? null : [.. entities];
 		}
 
 		/// <summary>Converts the (plain text + entities) format used by Telegram messages into a <a href="https://core.telegram.org/bots/api/#markdownv2-style">Markdown text</a></summary>
@@ -362,7 +362,7 @@ namespace TL
 					offset++;
 			}
 			text = sb.ToString();
-			return entities.Count == 0 ? null : entities.ToArray();
+			return entities.Count == 0 ? null : [.. entities];
 		}
 
 		/// <summary>Converts the (plain text + entities) format used by Telegram messages into an <a href="https://core.telegram.org/bots/api/#html-style">HTML-formatted text</a></summary>

src/TL.Helpers.cs

@@ -112,7 +112,7 @@ namespace TL
 			file = inputFile;
 			mime_type = mimeType;
 			if (inputFile.Name is string filename && !attribs.Any(a => a is DocumentAttributeFilename))
-				attributes = attribs.Append(new DocumentAttributeFilename { file_name = filename }).ToArray();
+				attributes = [.. attribs, new DocumentAttributeFilename { file_name = filename }];
 			else
 				attributes = attribs;
 		}

src/TlsStream.cs

@@ -11,9 +11,8 @@ using System.Threading.Tasks;
 
 namespace WTelegram
 {
-	class TlsStream : Helpers.IndirectStream
+	class TlsStream(Stream innerStream) : Helpers.IndirectStream(innerStream)
 	{
-		public TlsStream(Stream innerStream) : base(innerStream) { }
 		private int _tlsFrameleft;
 		private readonly byte[] _tlsSendHeader = [0x17, 0x03, 0x03, 0, 0];
 		private readonly byte[] _tlsReadHeader = new byte[5];