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For C++ there's Boost's multi_index[1]. [1]: https://www.boost.org/doc/libs/1_82_0/libs/multi_index/doc/index.html https://www.boost.org/doc/libs/1_82_0/libs/m

• Mailtemi 3y ago
  I used multi_index a lot in the past. However, since I also frequently use sqlite, I have decided to exclusively use SQLite for multi_index in memory. If there is a problem, temporarily using sqlite as a file makes it a lot easier to track the issue. When multi_index patterns become too complex, it's natural to wrap them in a unit test specifically designed for sqlite (multi_index).