Printing lists with commas C++

Question

I know how to do this in other languages, but not C++, which I am forced to use here.

I have a Set of Strings that I\'m printing to out in a list, and they need a co

Answer 1

There is a little problem with the ++ operator you are using.

You can try:

if (++iter != keywords.end())
    out << ", ";
iter--;

This way, ++ will be evaluated before compare the iterator with keywords.end().