avocado> var Graph = require("graph").Graph;

avocado> g = new Graph("vertices", "edges");

avocado> v1 = g.addVertex({ name : "Hugo" });
Vertex(<graph>, "153246:2310672")

avocado> v2 = g.addVertex({ name : "Emil" }); 
Vertex(<graph>, "153246:2310673")

avocado> e = g.addEdge(v1, v2, "knows", { "weight" : 10 });
Edge(<graph>, "3999653:7197720")

avocado> v1.inbound();
[ ]

avocado> v2.inbound();
[  Edge(<graph>, "3999653:7197720") ]