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

Following should do:-

 const std::vector<__int64>& a_setRequestId
 std::stringstream strStream;
 std::copy(a_setRequestId.begin(), a_setRequestId.end() -1, std::ostream_iterator<__int64>(strStream, ", "));
 strStream << a_setRequestId.back();