https://news.ycombinator.com/item?id=1370847 (2010)
https://news.ycombinator.com/item?id=2363522 (2011)
https://news.ycombinator.com/item?id=3369454 (2011) -- Although not much is in the discussion, it points to a Stack Overflow post with some examples.
https://news.ycombinator.com/item?id=7079427 (2014)
https://news.ycombinator.com/item?id=28758106 (2021) -- Not exactly a data structure, but an interesting algorithm.
https://news.ycombinator.com/item?id=1370847 (2010)
https://news.ycombinator.com/item?id=2363522 (2011)
https://news.ycombinator.com/item?id=3369454 (2011) -- Although not much is in the discussion, it points to a Stack Overflow post with some examples.
https://news.ycombinator.com/item?id=7079427 (2014)
https://news.ycombinator.com/item?id=28758106 (2021) -- Not exactly a data structure, but an interesting algorithm.