BFE>class FlexibleArrayMember
BFE>{
BFE>  public:
BFE>    FlexibleArrayMember(size_t sz, double*& data)
BFE>      :  m_sz(sz),
BFE>         m_rData(data)
BFE>    {}
BFE>  public:
BFE>    double& operator[] (size_t nIndex)
BFE>    {
BFE>       assert(0 <= nIndex && nIndex < m_sz);
BFE>       return m_rData[nIndex];
BFE>    }
BFE>  private:  
BFE>    size_t   m_sz;
BFE>    double*& m_rData;
BFE>};

BFE>int main(int argc, char * argv[])
BFE>{
BFE>  char buffer[sizeof(FlexibleArrayMember) + 100*sizeof(double)];
BFE>  double* p = (double*)(buffer + sizeof(FlexibleArrayMember)); //aligment problem
BFE>  FlexibleArrayMember oData = *(new(buffer) FlexibleArrayMember(100, p));

BFE>  for(int i = 0; i < 100; i++)
BFE>    oData[i] = i * 0.2;
    
BFE>  std::cout << oData[0] << ", ";
BFE>  for(int i = 1; i < 100; i++)
BFE>    std::cout << ", " << oData[i];
    
BFE>  oData.~FlexibleArrayMember();
BFE>  std::cout << std::endl;
  
BFE>  std::cout << "the end" << std::endl;
BFE>  return 0;
BFE>}

BFE>