Using ValueTuple

Author: cincuranet

Provider/src/EntityFramework.Firebird/FbMigrationSqlGenerator.cs

@@ -589,7 +589,7 @@ protected virtual IEnumerable<MigrationStatement> Generate(ProcedureOperation op
 			}
 		}
 
-		protected Tuple<string, IEnumerable<string>> Generate(ColumnModel column, string tableName)
+		protected (string, IEnumerable<string>) Generate(ColumnModel column, string tableName)
 		{
 			var builder = new StringBuilder();
 			var additionalCommands = new List<string>();
@@ -631,7 +631,7 @@ protected Tuple<string, IEnumerable<string>> Generate(ColumnModel column, string
 				additionalCommands.AddRange(identity.Where(x => !string.IsNullOrWhiteSpace(x)));
 			}
 
-			return Tuple.Create(builder.ToString(), additionalCommands.AsEnumerable());
+			return (builder.ToString(), additionalCommands);
 		}
 
 		protected string Generate(ParameterModel parameter)

Provider/src/FirebirdSql.Data.FirebirdClient/Client/Managed/SrpClient.cs

@@ -84,14 +84,14 @@ public byte[] ClientProof(string user, string password, byte[] authData)
 			return ClientProof(user, password, salt, serverPublicKey);
 		}
 
-		public Tuple<BigInteger, BigInteger> ServerSeed(string user, string password, byte[] salt)
+		public (BigInteger, BigInteger) ServerSeed(string user, string password, byte[] salt)
 		{
 			var v = BigInteger.ModPow(g, GetUserHash(user, password, salt), N);
 			var b = GetSecret();
 			var gb = BigInteger.ModPow(g, b, N);
 			BigInteger.DivRem(k * v, N, out var kv);
 			BigInteger.DivRem(BigInteger.Add(kv, gb), N, out var B);
-			return Tuple.Create(B, b);
+			return (B, b);
 		}
 
 		public byte[] GetServerSessionKey(string user, string password, byte[] salt, BigInteger A, BigInteger B, BigInteger b)

Provider/src/FirebirdSql.Data.TestsBase/FbTestsSetup.cs

@@ -35,11 +35,11 @@ public class FbTestsSetup
 	internal const int PageSize = 16384;
 	internal const bool ForcedWrite = false;
 
-	private static HashSet<Tuple<FbServerType, bool, FbWireCrypt>> _initalized = new HashSet<Tuple<FbServerType, bool, FbWireCrypt>>();
+	private static HashSet<(FbServerType, bool, FbWireCrypt)> _initalized = new HashSet<(FbServerType, bool, FbWireCrypt)>();
 
 	public static void SetUp(FbServerType serverType, bool compression, FbWireCrypt wireCrypt)
 	{
-		var item = Tuple.Create(serverType, compression, wireCrypt);
+		var item = (serverType, compression, wireCrypt);
 		if (!_initalized.Contains(item))
 		{
 			var cs = FbTestsBase.BuildConnectionString(serverType, compression, wireCrypt);