Trait hey_listen::Listener
[−]
[src]
pub trait Listener<T> where
T: PartialEq + Eq + Hash + Clone + Send + Sync + 'static, { fn on_event(&mut self, event: &T) -> Option<SyncDispatcherRequest>; }
Every event-receiver needs to implement this trait
in order to receive dispatched events.
T
being the type you use for events, e.g. an Enum
.
Required Methods
fn on_event(&mut self, event: &T) -> Option<SyncDispatcherRequest>
This function will be called once a listened
event-type T
has been dispatched.