@Override
	public double outDegree(Vertex v) {
		double degree = 0.0;
		Edge[] edges = this.outgoingEdges(v);
		int length = edges.length;
		for (int i = 0; i < length; i++) {
			try {
				degree += weights().getValue(edges[i]);
			}
			catch (NoValueException exc) {
				degree += defaultValue;
			}
		}
		return degree;
	}
Returns the weighted out-degree of this vertex. The out-degree is the
sum of weights of all enges entering this vertex.
Ghidra/Framework/Generic/src/main/java/ghidra/util/graph/WeightedDigraph.java