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 (2026-02-20 12:42:29 GIT hash dbcc3e4b3d2a59f66230b482cff8f0b018178d77 built by fridi@fzen)
before the call to `expand` as well as for indices that where initialized
via a call to `put` afterwards.