phase shifts, itemize

util/kruskals/algorithm.go

@@ -12,7 +12,7 @@ type WeightedEdge interface {
 	From() int
 	// To returns the integer identifier of the second vertex.
 	To() int
-	// Weight returns the integer identifier of the weight/cost.
+	// Mass returns the integer identifier of the weight/cost.
 	Weight() int
 }