Yes
This works REALLY well
simonw on Hacker News
In the thread “Unit tests as documentation”
Helped: Dumping unit tests into LLM to generate detailed usage documentation.
A trick I use a lot these days is to take the unit tests from an under-documented library, dump them into an LLM and ask it to write me detailed usage documentation. This works REALLY well. I've even occasionally done some of my own reviewing and editing of those docs and submitted them back to the project. …