A hole record in a DCEL data structure, which stores the face that contains the hole in its interior, along with an iterator for the hole in the holes' container of this face.
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the corresponding DCEL face type.
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default constructor.
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All functions below also have const counterparts, returning non-mutable pointers or iterators:
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| returns the incident face, which contains ho in its interior. |
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| returns an iterator for the hole. |
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| sets the incident face. |
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sets the hole iterator. |
ArrangementDcel
ArrangementDcelFace