Hi folks, I have a simple Java example and what I ...

# announcements

[deinspanjer]

Hi folks, I have a simple Java example and what I think is the corresponding Kotlin code, and the Kotlin one doesn’t work. Could someone help me figur this out?

[deinspanjer]

This is the working Kotlin code:```
package com.jsonlogic

import jdk.nashorn.api.scripting.AbstractJSObject
import jdk.nashorn.api.scripting.JSObject
import java.util.function.Function
import javax.script.ScriptEngineManager

fun main(args: Array<String>) {
val m = ScriptEngineManager()
val e = m.getEngineByName("nashorn")

// The following JSObject wraps this list
val l = mutableListOf<Any>()
l.add("hello")
l.add("world")
l.add(true)
l.add(1)

val jsObj = object : AbstractJSObject() {
override fun getMember(name: String?): Any? {
if (name == "map") {
// return a functional interface object - nashorn will treat it like
// script function!
return Function { callback: JSObject ->
val res = l.map {
// call callback on each object and add the result to new list
callback.call(null, it)
}

// return fresh list as result of map (or this could be another wrapper)
res
}
} else {
// unknown property
return null
}
}
}

e.put("obj", jsObj)
// map each String to it's uppercase and print result of map
e.eval("print(obj.map(function(x) '\"'+x.toString()+'\"'))");
}
```