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CGAL 4.8 - 2D Regularized Boolean Set-Operations

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GeneralPolygonSetDcelHalfedge Concept Reference
Concepts

## Definition

A halfedge record in a Dcel data structure used by the `General_polygon_set_2` and `Polygon_set_2` template classes to represent the underlying internal `Arrangement_2` data structure.

Refines:
  `ArrangementDcelHalfedge`

Has Models:
  `CGAL::Gps_face_halfedge`

See Also
  `ArrangementDcel`
  `ArrangementDcelVertex`
  `GeneralPolygonSetDcelFace`

## Access Functions
int | flag () const
| returns an integer passed to `set_flag()`, if the latter function was not called the output is not specified.

## Modifiers
void | set_flag (int i)
| set an integer flag for this halfedge.