Type Alias CFUserNotificationCallBack 

pub type CFUserNotificationCallBack = Option<unsafe extern "C" fn(userNotification: CFUserNotificationRef, responseFlags: CFOptionFlags)>;

Apple SDK type alias CFUserNotificationCallBack.

Aliased Type

pub enum CFUserNotificationCallBack {
    None,
    Some(unsafe extern "C" fn(*mut __CFUserNotification, u64)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut __CFUserNotification, u64))

Some value of type T.