adam-arold

/* eslint-disable @typescript-eslint/no-explicit-any */
import * as E from "fp-ts/Either";
import * as t from "io-ts";


/**
 * Contains the necessary fields that are required to uniquely
 * identify a specific event.
 * The generic type parameter is necessary for type safety.
 */

adam-arold

java -jar build/libs/caves-of-zircon.jar

adam-arold

git reset --hard PROJECT_SETUP

adam-arold

cd caves-of-zircon-tutorial

adam-arold

git clone https://github.com/Hexworks/caves-of-zircon-tutorial.git

adam-arold

fun <T: Event> Observable<T>.onEvent(fn: (Event) -> Unit){
   onEvent(object : Listener<T> {
       override fun accept(event: T) {
           fn(event)
       }

   })
}

adam-arold

observable.onEvent(object : Listener<Event>{
   override fun accept(event: Event) {
       // ...
   }
})

adam-arold

interface Observable <T: Event> {
  
   fun onEvent(listener: Listener<T>)

}

adam-arold

// Oops! Function1 wanted!
observable.onEvent(/* */);

adam-arold

interface Observable<T : Event> {
  
   fun onEvent(fn: (T) -> Unit)

}