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["J. Jin" <>]

Dear all,

I want to know whether there is a general way to convert an
iterator/circulator to a handle.

Consider the following example.
I want to traverse in a mesh with type Triangulation_data_structure_2 for
some vertex in a breadth first search manner.
I start with a vertex(suppose I have its handle), so I can use circulators
to check all its neighbors.
But... here is the problem. How can I continue?
The method incident_vertices needs an input of type Vertex_handle, but what
I got is of type Vertex_circulator.

So what is the right way to do?
Any suggestions are appreciated.

James

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