// AttachDirectory adds a dir.Directory to this Directory
// You likely would use the .Create() or .CreateDirectory() method instead, if available.
func (d *Directory) AttachDirectory(dirIn dir.Directory) error {
d.Lock()
defer d.Unlock()
for _, child := range d.children {
if child == dirIn {
return dir.ErrExists
}
}
err := dirIn.SetRoot(d.root)
if err != nil {
return err
}
d.children = append(d.children, dirIn)
return nil
}
