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graph: use src edges in dst graph

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This commit is contained in:
Dan Kortschak
2019-03-12 21:41:29 +10:30
parent 761876748e
commit e28f136e01
1 changed files with 6 additions and 4 deletions
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10
graph/graph.go
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@@ -244,10 +244,11 @@ func Copy(dst Builder, src Graph) {
nodes.Reset() nodes.Reset()
for nodes.Next() { for nodes.Next() {
u := nodes.Node() u := nodes.Node()
to := src.From(u.ID()) uid := u.ID()
to := src.From(uid)
for to.Next() { for to.Next() {
v := to.Node() v := to.Node()
dst.SetEdge(dst.NewEdge(u, v)) dst.SetEdge(src.Edge(uid, v.ID()))
} }
} }
} }
@@ -271,10 +272,11 @@ func CopyWeighted(dst WeightedBuilder, src Weighted) {
nodes.Reset() nodes.Reset()
for nodes.Next() { for nodes.Next() {
u := nodes.Node() u := nodes.Node()
to := src.From(u.ID()) uid := u.ID()
to := src.From(uid)
for to.Next() { for to.Next() {
v := to.Node() v := to.Node()
dst.SetWeightedEdge(dst.NewWeightedEdge(u, v, src.WeightedEdge(u.ID(), v.ID()).Weight())) dst.SetWeightedEdge(src.WeightedEdge(uid, v.ID()))
} }
} }
} }