Yes, yes, yes, yes. I am SO TIRED of seeing pre-optimizations from people who should know better.

These optimizations are a neat FYI. But they do not belong anywhere near the business logic of a production app. If you have a massive app (doubtful) with bottlenecks that warrant these optimizations (doubtful), extract them into a library that is isolated, documented, and tested. Business logic should describe the needs of the business in the clearest and simplest terms.