src/traits.rs

@@ -1,5 +1,7 @@
 // TODO: Add functions to reserve memory for vertices and edges.
-// TODO: Add iterator of edges.
+// TODO: Add iterator of all edges.
+// TODO: Add iterator of incident edges for a vertex.
+// TODO: Add finding incident vertices for an edge.
 // TODO: Split out GraphTopologyAddition trait.
 pub trait GraphTopology {
     type Vertex: Copy + Eq;