-
-
Save occar421/151bdb0076f98f732ae9ed76f1fd316e to your computer and use it in GitHub Desktop.
C#-style events in Kotlin
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class Event<T> { | |
private val handlers = arrayListOf<(Event<T>.(T) -> Unit)>() | |
operator fun plusAssign(handler: Event<T>.(T) -> Unit) { handlers.add(handler) } | |
operator fun invoke(value: T) { for (handler in handlers) handler(value) } | |
} | |
val e = Event<String>() // define event | |
fun main(args : Array<String>) { | |
e += { println(it) } // subscribe | |
e("sdfsdf") // invoke | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment