Add the 'EmptyRefs' helper, to support Array.Empty on .NET 4.5

icsharpcode · Feb 14, 2021 · f869bed · f869bed
1 parent c814877
commit f869bed
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/src/ICSharpCode.SharpZipLib/Core/EmptyRefs.cs b/src/ICSharpCode.SharpZipLib/Core/EmptyRefs.cs
@@ -0,0 +1,17 @@
+using System;
+
+namespace ICSharpCode.SharpZipLib.Core
+{
+	internal static class Empty
+	{
+#if NET45
+		internal static class EmptyArray<T>
+		{
+			public static readonly T[] Value = new T[0];
+		}
+		public static T[] Array<T>() => EmptyArray<T>.Value;
+#else
+		public static T[] Array<T>() => System.Array.Empty<T>();
+#endif
+	}
+}