Delete the sort-order restatements on walkNodes and compileFields

graph.go

@@ -5,8 +5,7 @@ import (
 	"sort"
 )
 
-// walkNodes calls fn once per contained node, passing the dot path that reaches it,
-// visiting keys in sorted order.
+// walkNodes calls fn once per contained node, passing the dot path that reaches it.
 func walkNodes(root map[string]node, fn func(path string, n node) error) error {
 	for _, name := range sortedNames(root) {
 		if err := eachNode(root[name], name, fn); err != nil {