Yes
I'm now using the optimized Go code in production
vitorbaptistaa on Hacker News
dozens of times per day
In the thread “Ask HN: Those with success using GPT-4 for programming – what are you doing?”
Helped: Rewriting code in a new language (Go) and iterative improvement.
Got in the way: Rust translation had too many compilation errors.
… It gave me great answers, I think maybe once or twice the code didn't compile (I used it dozens of times per day). I'm now using the optimized Go code in production.