|  | 
Create a new modifiable buffer that represents the given POD array.
template<
    typename PodType,
    std::size_t N>
mutable_buffer buffer(
    boost::array< PodType, N > & data,
    std::size_t max_size_in_bytes);
          A mutable_buffer
          value equivalent to:
        
mutable_buffer(
    data.data(),
    min(data.size() * sizeof(PodType), max_size_in_bytes));