E. G. For storage and performs reasons. 5 bytes vs 9 bytes. Multiplying by amount of users and various indexes - can produce very noticeably difference. More records per page.

I never had this feeling. It’s an RPG, I can build and control only my character

So you have memory space which is reused… Which essentially makes it a mutable memory structure, where you update or add with new data keys… No?

Can you please give me an example - let’s say I have a big list of numbers and I need to find how many times each number is there.

I would expect a mutable dictionary/map and a single pass through. How would you do that without mutable datastructure?

So do you create new objects every time you need to change state?

Comparing to this, getting into Russia is even simpler, so you can do all of those things, that are simple to you to type yourself. Go for it, we root for you!