Yes
It spat out a mostly-correct implementation almost immediately, and with some extra coaxing managed to fix the small bugs in it too
shoobs on Hacker News
In the thread “If an AI agent can't figure out how your API works, neither can your users”
Helped: Feeding spec documentation into the model.
… I fed the spec documentation into ChatGPT and asked it to write a file reader for it. It spat out a mostly-correct implementation almost immediately, and with some extra coaxing managed to fix the small bugs in it too. To be fair, it's a very simple format, but it made me feel good about the quality of the documentation.