[issue45588] cached_method similar to cached_property to cache with classes

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:

The simple implementation is:

def cached_method(func):
    return cached_property(lambda self: lru_cache()(partial(func, self)))

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nosy: +serhiy.storchaka

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<https://bugs.python.org/issue45588>
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