CGAL 5.6.3 - Halfedge Data Structures

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CGAL::HalfedgeDS_halfedge_base< Refs > Class Template Reference
Halfedge Data Structures Reference » Vertices, Halfedges, Faces

`#include <CGAL/HalfedgeDS_halfedge_base.h>`

## Definition

template<typename Refs>
class CGAL::HalfedgeDS_halfedge_base< Refs >

The class `HalfedgeDS_halfedge_base` is a model of the `HalfedgeDSHalfedge` concept.

`Refs` is an instantiation of a `HalfedgeDS`. The full declaration states four template parameters:

| `template <` | `class Refs,`
|  | `class Tag_prev` | `= CGAL::Tag_true,`
|  | `class Tag_vertex` | `= CGAL::Tag_true,`
|  | `class Tag_face` | `= CGAL::Tag_true>`
| `class HalfedgeDS_halfedge_base;`

If `Tag_prev` \( \equiv\) `CGAL::Tag_true` a reference to the previous halfedge is supported.

If `Tag_vertex` \( \equiv\) `CGAL::Tag_true` an incident vertex is supported.

If `Tag_face` \( \equiv\) `CGAL::Tag_true` an incident face is supported.

In all cases, a reference to the next halfedge and to the opposite halfedge is supported.

Is Model Of:
  `HalfedgeDSHalfedge`

See also
  `HalfedgeDS<Traits,Items,Alloc>`
  `HalfedgeDSItems`
  `PolyhedronItems_3`
  `CGAL::HalfedgeDS_items_2`
  `CGAL::HalfedgeDS_vertex_base<Refs>`
  `CGAL::HalfedgeDS_face_base<Refs>`
  `CGAL::HalfedgeDS_halfedge_min_base<Refs>`

Examples
  HalfedgeDS/hds_prog_graph2.cpp.

## Creation
| HalfedgeDS_halfedge_base ()
| default constructor.