import io:*

fun runLambda(func: fun():int):void {
    println(func())
}

fun somethingElse():int { return 4; }

//fun callLambda(func: fun(int):void):void {
    //func(10)
//}

//fun itr<T>(it: T, func: fun(T):T):T {
    //println(it)
    //return func(it);
//}

fun main():int {
    //var func = fun():void { println("8"); }
    //func()
    //runLambda(fun():int { return 9;})
    //callLambda(fun(a:int):void { println(a);})
    //var j = 0
    //while (j < 10) j = itr(j, fun(a:int):int { return a+1; })

    runLambda(somethingElse)
    println("closures now")
    var a = 1337
    runLambda(fun():int { return a;})
    return 0
}