[niklasjansson]

The C# version is lacking the using pattern. https://docs.microsoft.com/en-us/dotnet/csharp/language-refe...

[quantified]

Similar for Java's try-with-resources.

Also, I use a style in Java with higher-order functions (aka Callables/Runnables) that's like the pattern ascribed to Ruby, for situations not covered by AutoCloseable.

[gnoack]

Thanks for the pointers, adding them to the article (with credits)