More Versioning Fun With Optional Arguments

In my last blog post , I covered some challenges with versioning methods that differ only by optional parameters. If you haven't read it, go read it. If I do say so myself, it's kind of interesting. ;) In this post, I want to cover another very subtle versioning issue with using optional parameters. At the very end of that last post, I made the following comment. By the way, you can add overloads that have additional required parameters. So in this way, you are in the same boat as before. However, this can lead to subtle bugs. Let's walk through a scenario. Imagine that some class library has the following method in version 1.0. public static void Foo( string s1, string s2, string s3 = "v1" ) { Console.WriteLine( "version 1"...(read more) ...