Type Alias lv_obj_class_event_cb_t

pub type lv_obj_class_event_cb_t = Option<unsafe extern "C" fn(*mut _lv_obj_class_t, *mut _lv_event_t)>;

Aliased Type

pub enum lv_obj_class_event_cb_t {
    None,
    Some(unsafe extern "C" fn(*mut _lv_obj_class_t, *mut _lv_event_t)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut _lv_obj_class_t, *mut _lv_event_t))

Some value of type T.