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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 de6u99er on Thursday July 21, 2022 @11:32PM (#32188189)
Ever heard of geospatial hierarchical Indices?

E.g. Uber's H3 index or Google's S2 index.

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