Yes
Claude Code essentially one shotted it in 15 minutes, including tests
empath75 on Hacker News
5-10x faster than an engineer working by themselves
In the thread “AI has fixed my productivity”, replying to this comment
Helped: Using existing operators as templates and handling complex logic with tests.
Got in the way: Misunderstood specs, made unwanted judgement calls, and wrote new code instead of reusing.
… It's not a hugely complicated task, and I could have done it in 2-3 days by myself. Claude Code essentially one shotted it in 15 minutes, including tests. It misunderstood some things, it made some judgement calls that I didn't like in terms of spec, it wrote some new code instead of using pre-existing code, but fixing that took another 90 minutes or so, then I was done. …