I generally assume that ++x is idiomatic in c++, and x++ in c, because in c++ you may be calling against some non-primitive type, where the update-and-return-th

I generally assume that ++x is idiomatic in c++, and x++ in c, because in c++ you may be calling against some non-primitive type, where the update-and-return-the-non-updated-value semantics of the postfix version are not optimisable away.