So your best bet is to always use signed int, excluding when they're not appropriate ;-) Exactly, that's why both types are needed. However, when it comes to

So your best bet is to always use signed int, excluding when they're not appropriate ;-) Exactly, that's why both types are needed. However, when it comes to mixing or using them interchangeably in code, type casts are usually the best indicator that something is wrong, and a code review is necessary.