Path traversal demo

cmd/path-traversal/path_traversal.go

 package main
 
 import (
-	"code.fbi.h-da.de/cocsn/yang-models/generated/openconfig"
+	schema "code.fbi.h-da.de/cocsn/yang-models/generated/arista"
 	"fmt"
 	"github.com/openconfig/goyang/pkg/yang"
 )
@@ -12,12 +12,14 @@ type PathElement struct {
 }
 
 func main() {
-	tree := openconfig.SchemaTree
+	tree := schema.SchemaTree
 	paths := make(map[string]*PathElement)
 
 	for k,v := range tree {
-		if v.Parent.Name == "device" {
-			paths[k] = processEntry(v)
+		if v.Parent != nil {
+			if v.Parent.Name == "device" {
+				paths[k] = processEntry(v)
+			}
 		}
 	}
 	fmt.Println("stop")
@@ -33,7 +35,7 @@ func processEntry(e *yang.Entry) *PathElement {
 			child :=  processEntry(v)
 			elem.Children = append(elem.Children, child)
 		}
-
+		return elem
 	}
 	leaf := &PathElement{
 		Name:     e.Name,