Add polyfills for Version.Parse(...) and Version.TryParse(...) (#27)

Author: Tyrrrz

PolyShim/NetCore10/Version.cs

@@ -0,0 +1,39 @@
+// The following comment is required to instruct analyzers to skip this file
+// <auto-generated/>
+
+#if (NETFRAMEWORK && !NET40_OR_GREATER)
+#nullable enable
+// ReSharper disable RedundantUsingDirective
+// ReSharper disable CheckNamespace
+// ReSharper disable InconsistentNaming
+// ReSharper disable PartialTypeWithSinglePart
+
+using System;
+
+internal static partial class PolyfillExtensions
+{
+    extension(Version)
+    {
+        // https://learn.microsoft.com/dotnet/api/system.version.parse
+        public static Version Parse(string input) => new(input);
+
+        // https://learn.microsoft.com/dotnet/api/system.version.tryparse
+        public static bool TryParse(string? input, out Version? result)
+        {
+            result = null;
+            if (input is null)
+                return false;
+
+            try
+            {
+                result = new Version(input);
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+}
+#endif