Type Alias wtr_watcher_callback 

pub type wtr_watcher_callback = Option<unsafe extern "C" fn(event: wtr_watcher_event, context: *mut c_void)>;

Aliased Type

pub enum wtr_watcher_callback {
    None,
    Some(unsafe extern "C" fn(wtr_watcher_event, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(wtr_watcher_event, *mut c_void))

Some value of type T.