Type Alias lv_tree_before_cb_t

pub type lv_tree_before_cb_t = Option<unsafe extern "C" fn(*const _lv_tree_node_t, *mut c_void) -> bool>;

Aliased Type

pub enum lv_tree_before_cb_t {
    None,
    Some(unsafe extern "C" fn(*const _lv_tree_node_t, *mut c_void) -> bool),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const _lv_tree_node_t, *mut c_void) -> bool)

Some value of type T.