Type Alias ul_next_sys::ULUpdateCallback

pub type ULUpdateCallback = Option<unsafe extern "C" fn(user_data: *mut c_void)>;

Aliased Type

enum ULUpdateCallback {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut c_void))

Some value of type T.