Type Definition weasel::battle::EventCallback

type EventCallback<R> = Box<dyn FnMut(&EventWrapper<R>, &BattleState<R>, &mut Option<EventQueue<R>>) + Send>;

Type to define a callback invoked each time an event is processed.

BattleState is a snapshot of the state of the battle, taken just after the event has been applied.
EventQueue is an event processor that can be used to fire events.