Function Walk

compiler/optimizer/optimizer.go:76–90

(seq dag.Seq, post func(dag.Seq) dag.Seq)

}

func Walk(seq dag.Seq, post func(dag.Seq) dag.Seq) dag.Seq {
	for _, op := range seq {
		switch op := op.(type) {
		case *dag.ForkOp:
			for k := range op.Paths {
				op.Paths[k] = Walk(op.Paths[k], post)
			}
		case *dag.ScatterOp:
			for k := range op.Paths {
				op.Paths[k] = Walk(op.Paths[k], post)
			}
		}
	}
	return post(seq)
}

func walkEntries(seq dag.Seq, post func(dag.Seq) (dag.Seq, error)) (dag.Seq, error) {
	for _, op := range seq {