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package me.bush.illnamethislater
/**
* A base class for events that can be cancelled.
*
* [Information and examples](https://github.com/therealbush/eventbus-kotlin#ththingtodo)
*
* @author bush
* @since 1.0.0
*/
abstract class Event {
/**
* Whether this event is cancelled or not. If it is, only future listeners with
* [Listener.receiveCancelled] will receive it. However, it can be set back to
* `false`, and listeners will be able to receive it again.
*/
var cancelled = false
set(value) {
if (cancellable) field = value
}
/**
* Determines if this event can be [cancelled]. This does not have to return a constant value.
*/
abstract val cancellable: Boolean
/**
* Sets [cancelled] to true.
*/
fun cancel() {
cancelled = true
}
}
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