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

I suggest you simply switch the first character with the help of a lambda.

std::function f = [&]() {f = [](){ return ","; }; return ""; };                  

for (auto &k : keywords)
    std::cout << f() << k;