Why does the lecturer use int32 in the FOR loop instead of a regular int?
Unreal uses int32 for clarity. int in C++ is typically a signed 32-bit and the signed part is assumed. Unreal specifically specifies signed when using typedef to create the int32 type which ensures it is explicitly signed. See here:
int32 | Unreal Engine Documentation
Note that you could probably get away with using int but I personally wouldn’t take that risk.
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