void constraints()
{
ST seg;
ST const seg_c;
typedef typename segment_traits<ST>::topology_type topology_type;
typedef typename segment_traits<ST>::segment_key_iterator segment_key_iterator;
typedef typename segment_traits<ST>::segment_skey_iterator segment_skey_iterator;
typedef typename segment_traits<ST>::segment_vertex_quantity_iterator vertex_key_iterator;
typedef typename segment_traits<ST>::segment_edge_quantity_iterator edge_key_iterator;
typedef typename segment_traits<ST>::segment_facet_quantity_iterator facet_key_iterator;
typedef typename segment_traits<ST>::segment_cell_quantity_iterator cell_key_iterator;
typedef typename segment_traits<ST>::vertex_type vertex_type;
typedef typename segment_traits<ST>::edge_type edge_type;
typedef typename segment_traits<ST>::facet_type facet_type;
typedef typename segment_traits<ST>::cell_type cell_type;
typedef typename segment_traits<ST>::vertex_handle vertex_handle;
typedef typename segment_traits<ST>::edge_handle edge_handle;
typedef typename segment_traits<ST>::facet_handle facet_handle;
typedef typename segment_traits<ST>::cell_handle cell_handle;
typedef typename segment_traits<ST>::vertex_iterator vertex_iterator;
typedef typename segment_traits<ST>::edge_iterator edge_iterator;
typedef typename segment_traits<ST>::facet_iterator facet_iterator;
typedef typename segment_traits<ST>::cell_iterator cell_iterator;
boost::function_requires< GSSETopologyConcept<topology_type> > ();
// gsse segment concept checks
// --------------------------
// naming
//
std::string s;
seg.set_name(s);
s = seg_c.get_segment_name();
// --------------------------
// segment quantity key iterations
//
segment_key_iterator sk_it;
sk_it = seg_c.segment_key_begin();
sk_it = seg_c.segment_key_end();
segment_skey_iterator ssk_it;
ssk_it = seg_c.segment_skey_begin();
ssk_it = seg_c.segment_skey_end();
vertex_key_iterator vk_it;
vk_it = seg_c.vertex_key_begin();
vk_it = seg_c.vertex_key_end();
edge_key_iterator ek_it;
ek_it = seg_c.edge_key_begin();
ek_it = seg_c.edge_key_end();
facet_key_iterator fk_it;
fk_it = seg_c.facet_key_begin();
fk_it = seg_c.facet_key_end();
cell_key_iterator ck_it;
ck_it = seg_c.cell_key_begin();
ck_it = seg_c.cell_key_end();
// --------------------------
// quantity key sizes
//
unsigned int size;
size = seg_c.vertex_key_size();
size = seg_c.edge_key_size();
size = seg_c.facet_key_size();
size = seg_c.cell_key_size();
size = seg_c.segment_key_size();
size = seg_c.vertex_size();
size = seg_c.edge_size();
size = seg_c.facet_size();
size = seg_c.cell_size();
// --------------------------
// topological traversal
//
vertex_iterator vertex_it = seg_c.vertex_begin();
vertex_it = seg_c.vertex_begin();
edge_iterator edge_it = seg.edge_begin(); // [RH][TODO] .. maybe we can a const segment as well
edge_it = seg.edge_begin();
facet_iterator facet_it = seg.facet_begin();
facet_it = seg.facet_begin();
cell_iterator cell_it = seg_c.cell_begin();
cell_it = seg_c.cell_begin();
// boost::function_requires<GSSEIteratorConcept<edge_iterator> > ();
// boost::function_requires<GSSEIteratorConcept<facet_iterator> > ();
// --------------------------
// topology retrieval
//
topology_type& topo = seg.retrieve_topology();
topology_type const& topo_c = seg_c.retrieve_topology();
ignore_unused_variable_warning(topo);
ignore_unused_variable_warning(topo_c);
}
