Also, there is no parameter you can pass that will ignore unhashable objects, so if you’re in doubt about what’s hashable or not, you’ll have to iterate through the collection and .add ...

Like @functools.cache / @functools.lru_cache but with non-hashable objects ... Tested against Windows 10 / Python 3.11 / Anaconda. pip install allescacher. ... This means you can cache the results of ...