func buildEdges(bldrs set.OrderedSet, nm map[*Node]*dotnode, del string) []*dotedge {
edges := make([]*dotedge, 0, bldrs.Count())
bldrs.Visit(func(e interface{}) {
bldr := e.(*Edge)
if bldr.Src != nil && bldr.Dst != nil {
edges = append(edges, bldr.build(nm, del))
}
})
return edges
}
func buildNodes(bldrs set.OrderedSet) ([]*dotnode, map[*Node]*dotnode) {
nodes := make([]*dotnode, 0, bldrs.Count())
nodemap := make(map[*Node]*dotnode)
id := 0
bldrs.Visit(func(e interface{}) {
bldr := e.(*Node)
node := bldr.build(id)
nodes = append(nodes, node)
nodemap[bldr] = node
id++
})
return nodes, nodemap
}