39     SSVertex(Vertex* v) : fVertex(v), fPrev(nullptr), fNext(nullptr) {}  in SSVertex()
40     Vertex* fVertex;  member
65     Vertex* prev = e->fPrev->fVertex;  in makeEvent()
66     Vertex* next = e->fNext->fVertex;  in makeEvent()
128                 edge->fPrev->fVertex->fID,  in dump_skel()
129                 edge->fNext->fVertex->fID);  in dump_skel()
250     Vertex* prev = fEdge->fPrev->fVertex;  in apply()
251     Vertex* next = fEdge->fNext->fVertex;  in apply()
281         triangulator->connectSSEdge(prevEdge->fPrev->fVertex, dest, c);  in apply()
290             triangulator->makeEvent(prevEdge, prevEdge->fPrev->fVertex, nextEdge, dest, events, c);  in apply()
291             triangulator->makeEvent(nextEdge, nextEdge->fNext->fVertex, prevEdge, dest, events, c);  in apply()
392             this->makeConnectingEdge(edge->fPrev->fVertex, edge->fNext->fVertex, e->fType, c, 0);  in collapseOverlapRegions()