graph/path: reduce indexing into next in Shortest.To
@@ -138,14 +138,14 @@ func (p Shortest) To(vid int64) (path []graph.Node, weight float64) {
break
}
seen.Add(to)
- path = append(path, p.nodes[p.next[to]])
to = p.next[to]
+ path = append(path, p.nodes[to])
}
} else {
n := len(p.nodes)
for to != from {
- path = append(path, p.nodes[p.next[to]])
to = p.next[to]
+ path = append(path, p.nodes[to])
if n < 0 {
panic("path: unexpected negative cycle")
}
