get element at index `i`. This can be used to get elements that existed before the call to `expand` as well as for indices that where initialized via a call to `put` afterwards.
0.095dev (2025-09-09 14:29:31 GIT hash 98644f8f651c2101a0730cfe31c5807993b7603b built by fridi@fzen)
before the call to `expand` as well as for indices that where initialized
via a call to `put` afterwards.