On 12/16/2013 03:36 PM, Alex Rousskov wrote: >> Rewrite the += operator loop to simply >> this->add() every character in the src set. Use std::for_each or another >> <algorithm> for that if possible.
> I think the above is still valid though. but I cannot find a suitable algorithm. If you cannot either, just use add() calls in an explicit loop. Thank you, Alex.
