Function lvgl_sys::lv_meter_add_needle_line

pub unsafe extern "C" fn lv_meter_add_needle_line(
    obj: *mut lv_obj_t,
    scale: *mut lv_meter_scale_t,
    width: u16,
    color: lv_color_t,
    r_mod: i16
) -> *mut lv_meter_indicator_t