Update Dijkstra's algorithm to take any weights that satisfy the new Weight trait

tests/dijkstra.rs

@@ -173,7 +173,7 @@ where
     fixtures::assert_standard_unweighted_distances_v0(|v| distances[v], &vertices);
 }
 
-fn assert_single_vertex<G: GraphTopology>(result: &DijkstraResult<G::Vertex>, v: G::Vertex)
+fn assert_single_vertex<G: GraphTopology>(result: &DijkstraResult<G::Vertex, u32>, v: G::Vertex)
 where
     G::Vertex: Debug,
 {
@@ -195,8 +195,10 @@ fn assert_distances_single_vertex<G: GraphTopology>(
     );
 }
 
-fn assert_disconnected<G: GraphTopology>(result: &DijkstraResult<G::Vertex>, vertices: &[G::Vertex])
-where
+fn assert_disconnected<G: GraphTopology>(
+    result: &DijkstraResult<G::Vertex, u32>,
+    vertices: &[G::Vertex],
+) where
     G::Vertex: Debug,
 {
     assert_distances_disconnected::<G>(&result.distances, &vertices);