CGAL 5.2.2 - Halfedge Data Structures
HalfedgeDS/hds_prog_graph.cpp
#include <CGAL/HalfedgeDS_min_items.h>
#include <CGAL/HalfedgeDS_default.h>
#include <CGAL/HalfedgeDS_decorator.h>
// no traits needed, argument can be arbitrary dummy.
int main() {
HDS hds;
Decorator decorator(hds);
decorator.create_loop();
CGAL_assertion( decorator.is_valid());
return 0;
}