[vtkusers] Re-using smart pointers as both input and output

Utkarsh Ayachit utkarsh.ayachit at kitware.com
Wed May 17 12:41:43 EDT 2017

> Is it okay to reassign a smart pointer like that after using it as the
> input
> to an algorithm?

Yes. Except you can't do `delaunay->SetInputConnection(input)`, you'll need
to use `delaunay->SetInputDataObject(input);`.

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