If you've used the experimental Integer type from Kotools Types before 5.2.0, you may have noticed arithmetic getting slower as numbers grew larger. That wasn't your imagination — it came from how Integer stored its value internally. 🐛 The problem Every Integer operation — + , - , * , comparisons, even toString() — had to work with a String representation of the number. That means every single operation reparsed the digits from scratch before it could do any arithmet...