int main()
{
std::vector<int> from_vector(10);
std::iota(from_vector.begin(), from_vector.end(), 0);
std::vector<int> to_vector;
std::copy(from_vector.begin(), from_vector.end(),
std::back_inserter(to_vector));
// or, alternatively,
// std::vector<int> to_vector(from_vector.size());
// std::copy(from_vector.begin(), from_vector.end(), to_vector.begin());
// either way is equivalent to
// std::vector<int> to_vector = from_vector;
std::cout << "to_vector contains: ";
std::copy(to_vector.begin(), to_vector.end(),
std::ostream_iterator<int>(std::cout, " "));
std::cout << '\n';
}
Data& operator=(const std::vector<T>& value)
{
from_vector(value);
return *this;
}