func addLink(t *testing.T, a, b *mdag.Node) {
to := string(a.Data) + "2" + string(b.Data)
if err := a.AddNodeLink(to, b); err != nil {
t.Error(err)
}
}
func addLink(t *testing.T, a, b *mdag.Node) {
to := string(a.Data) + "2" + string(b.Data)
if err := a.AddNodeLink(to, b); err != nil {
t.Error(err)
}
}