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## CGAL::Nef_polyhedron_3<Traits>::Halffacet_cycle_iterator

### Definition

The type Halffacet_cycle_iterator iterates over a list of Object_handles. Each item of that list can either be assigned to SHalfedge_handle or SHalfloop_handle. To find out which of these assignment works out, the member functions is_shalfedge() and is_shalfloop() are provided.

#include <CGAL/Nef_polyhedron_3.h>

### Types

Nef_polyhedron_3<Traits>::Halffacet_cycle_iterator::SHalfedge_handle
| const handle to SHalfedge.
Nef_polyhedron_3<Traits>::Halffacet_cycle_iterator::SHalfloop_handle
| const handle to SHalfloop.

### Creation

Nef_polyhedron_3<Traits>::Halffacet_cycle_iterator hfc;
| default constructor.

### Operations

bool | hfc.is_shalfedge ()
|  | returns true if hfc represents a SHalfedge_handle.
bool | hfc.is_shalfloop ()
|  | returns true if hfc represents a SHalfloop_handle.
SHalfedge_handle | SHalfedge_handle ( hfc)
|  | casts hfc to SHalfedge_handle.
SHalfloop_handle | SHalfloop_handle ( hfc)
|  | casts hfc to SHalfloop_handle.

### See Also

CGAL::Nef_polyhedron_3<Traits>::SHalfedge
CGAL::Nef_polyhedron_3<Traits>::SHalfloop

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The CGAL Project . Tue, December 21, 2004 .