code: func WmStrutPartialGet(xu *xgbutil.XUtil,
  	win xproto.Window) (*WmStrutPartial, error) {
  
  	struts, err := xprop.PropValNums(xprop.GetProperty(xu, win,
  		"_NET_WM_STRUT_PARTIAL"))
  	if err != nil {
  		return nil, err
  	}
  
  	return &WmStrutPartial{
  		Left: struts[0], Right: struts[1], Top: struts[2], Bottom: struts[3],
  		LeftStartY: struts[4], LeftEndY: struts[5],
  		RightStartY: struts[6], RightEndY: struts[7],
  		TopStartX: struts[8], TopEndX: struts[9],
  		BottomStartX: struts[10], BottomEndX: struts[11],
  	}, nil
  }
docs: // _NET_WM_STRUT_PARTIAL get