Subdiv2D.empty constructor
      
      Subdiv2D.empty()
     
    
    
Implementation
factory Subdiv2D.empty() {
  final p = calloc<cvg.Subdiv2D>();
  cvRun(() => cimgproc.cv_Subdiv2D_create(p));
  return Subdiv2D._(p);
}factory Subdiv2D.empty() {
  final p = calloc<cvg.Subdiv2D>();
  cvRun(() => cimgproc.cv_Subdiv2D_create(p));
  return Subdiv2D._(p);
}