insert vs push_back code example
Example: back_inserter vs push_back
std::vector<std::string> a(100, "Hello, World");
std::vector<std::string> b;
std::copy(a.begin(), a.end(), std::back_inserter(b));
std::vector<std::string> a(100, "Hello, World");
std::vector<std::string> b;
std::copy(a.begin(), a.end(), std::back_inserter(b));