vendor/github.com/hashicorp/terraform/terraform/graph_dot.go

package terraform

import "github.com/hashicorp/terraform/dag"

// GraphDot returns the dot formatting of a visual representation of
// the given Terraform graph.
func GraphDot(g *Graph, opts *dag.DotOpts) (string, error) {
	return string(g.Dot(opts)), nil
}