Kotlin video 29

import java.io.File
import java.io.FileWriter
import java.io.InvalidObjectException
import javax.management.ImmutableDescriptor
import kotlin.random.Random

//funzioni lambda

//fun greaterThanLength(s1: String, s2: String): Boolean = s1.length>s2.length

//fun contaVocali(s: String) : Int {
//    var cont = 0
//    for (c in s) if (c in "aAeEiIoIuU") cont++
//
//    return cont
//}
//
//fun haPiuVocali(s1: String, s2: String): Boolean = contaVocali(s1) > contaVocali(s2)

fun String.contaVocali() : Int {
    var cont = 0
    for (c in this) if (c in "aAeEiIoIuU") cont++

    return cont
}

fun String.countVowels(): Int {
    val vowels = "aeiouAEIOU"
    var count = 0
    for (char in this) {
        if (char in vowels) {
            count++
        }
    }
    return count
}

fun posMassimo(elenco: MutableList<String>, comparatore: (s1: String, s2: String) -> Boolean ): Int
{
    if (elenco.count() == 0) return -1

    var pos = 0
    if (elenco.size>=2)
        for (i in 1..elenco.lastIndex)
            if (comparatore(elenco[i], elenco[pos]))    //(greaterThan(elenco[i], elenco[pos]))                 //(elenco[i]>elenco[pos])
                pos = i

    return pos
}



fun main() {

    val registroAula =
        arrayListOf<String>("Azzino", "Castrovillari", "Aiuliao", "Amati", "Zucchetti", "Pinturin", "Singh")


    println("Massimo: ${registroAula[posMassimo(registroAula) { s1: String, s2: String  ->
         s1.contaVocali() > s2.contaVocali()}] }")

    //println("Massimo: ${registroAula[posMassimo(registroAula, ::haPiuVocali)]}")

}