exercism/go/pov/pov_helper.go

package pov

import (
	"fmt"
	"strings"
)

func (g *Graph) Print(root string) {
	r := g.getNode(root)
	if r != nil {
		r.Print(0)
	} else {
		fmt.Println("Couldn't find root node:", root)
	}
}

func (n *Node) Print(ind int) {
	pad := strings.Repeat(" ", ind)
	fmt.Println(pad + n.label)
	for i := range n.connections {
		n.connections[i].Print(ind + 1)
	}
}