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[KHartmann <>]

The following code compiles.  (CDT is a constrained delaunay triangulation)

  CDT::Vertex_handle v;
  CDT::Vertex_circulator vc = cdt->incident_vertices( v );
  CDT::Vertex_handle ivh = vc->handle();
  CDT::Vertex_handle ivh1 = vc;

  CDT::Face_handle f;
  CDT::Face_circulator fc = cdt->incident_faces( v );
//  CDT::Face_handle ifh = fc->handle();
  CDT::Face_handle ifh1 = fc;

//////////////////////////////////////////////////////

Are lines 3 an 4 equivalent?
If I uncomment the commented-out line, it doesn't compile. Why?

What is the proper way to get a handle from a circulator?
Does it change given the circulator type?

I have read the documentation which is said to be my friend, but it tells me 
to use *, but that doesn't compile either.

http://doc.cgal.org/latest/Circulator/index.html#Chapter_Handles_Ranges_and_Circulators






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