CPP

std::copy C ++

template<class InputIterator, class OutputIterator>
  OutputIterator copy (InputIterator first, InputIterator last, OutputIterator result)
{
  while (first!=last) {
    *result = *first;
    ++result; ++first;
  }
  return result;
}

std::copy

// suppose you want to copy list to a vector 
// instead of using a for loop, You can use to the std:: algorithm
// to keep the code cleaner
std::list <int> list;
std::vector <int> vector;

/// WARNING --- 
/// YOU MUST ALLOCATE ENOUGH SPACE IN THE CONTAINER BEFORE COPY
vector.resize (list.size());
std::copy (list.begin(), list.end(), vector.begin());