Method remove

plotter/johnson.go:236–242

remove deletes edges that make up the given paths from the graph.

(paths [][]int)

// remove deletes edges that make up the given paths from the graph.
func (g graph) remove(paths [][]int) {
	for _, p := range paths {
		for i, u := range p[:len(p)-1] {
			delete(g[u], p[i+1])
		}
	}
}

// subgraph returns a subgraph of g induced by {s, s+1, ... , n}. The
// subgraph is destructively generated in g.