The code looks rather verbose. I personally, would never have thought about introducing an enum like BfCommand. The quality of code is not always improved by in

The code looks rather verbose. I personally, would never have thought about introducing an enum like BfCommand. The quality of code is not always improved by introducing more abstractions in the form of dedicated enums and classes. Have you thought about introducing some optimizations for common constructs? I did some work on this my online version. Look at the source of the HTML page https://www.iwriteiam.nl/Ha_bf_online.html https://www.iwriteiam.nl/Ha_bf_online.html