code: func FromPath(c *govmomi.Client, p string, ft VSphereFolderType, dc *object.Datacenter) (*object.Folder, error) {
  	var fp string
  	if ft == VSphereFolderTypeDatacenter {
  		fp = "/" + p
  	} else {
  		pt := RootPathParticle(ft)
  		fp = pt.PathFromDatacenter(dc, p)
  	}
  	return FromAbsolutePath(c, fp)
  }
docs: // FromPath takes a relative folder path, an object type, and an optional
  // supplied datacenter, and returns the respective *object.Folder if it exists.
  //
  // The datacenter supplied in dc cannot be nil if the folder type supplied by
  // ft is something else other than VSphereFolderTypeDatacenter.