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A comment on Ask HN: What are some cool but obscure data structures you know about?. Parent comment

Re:Ask HN: What are some cool but obscure data structures yo... by EnderShadow8 on Thursday July 21, 2022 @08:46PM (#32187148)
I've been told to consider it constant for all practical purposes
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Re:Ask HN: What are some cool but obscure data structures yo... by pjscott on Thursday July 21, 2022 @11:41PM (#32188246)
The inverse Ackermann function is one of the slowest-growing functions that you’re ever likely to encounter in the wild. To say that it’s “constant for all practical purposes” is 100% true but doesn’t do justice to how amazingly slow this function is to grow.

https://en.m.wikipedia.org/wiki/Ackermann_function

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