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Are there any performance differences between struct and map datatypes?

I believe maps are actually a light wrapper on top of a `struct[key: list[...], value: list[...]]` or something like that, so it’s not a ton of performance difference!

Either that, or `list[struct[key: ..., value: ...]]`

The main thing you get is that semantically it’s nicer, because you can do a `.get("my_key")` for a map type, which you can’t really do without knowing that logical information that your type is in fact, a map