idiombench / Python /train /3.9 /protocol /modern_16.py
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IdiomBench (part 11)
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from typing import Iterable, Hashable
class HashableFloats(Iterable[float], Hashable, Protocol):
pass
def cached_func(args: HashableFloats) -> float:
...
cached_func((1, 2, 3)) # OK, tuple is both hashable and iterable