Lambdas and Higher-Order Functions

Higher-Order Functions

Write a function that receives another function.

Higher-Order Functions

HigherOrderFunctions.kt 
fun scoreWithBonus(score: Int, bonusRule: (Int) -> Int): Int {
    val bonus = bonusRule(score)
    return score + bonus
}

fun main() {
    val score = 
    val total = scoreWithBonus(score) { current ->
        if (current >= 8) {
            5
        } else {
            2
        }
    }

    println("score=$score")
    println("total=$total")
}

fun scoreWithBonus(score: Int, bonusRule: (Int) -> Int): Int {
    val bonus = bonusRule(score)
    return score + bonus
}

fun main() {
    val score = 
    val total = scoreWithBonus(score) { current ->
        if (current >= 8) {
            5
        } else {
            2
        }
    }

    println("score=$score")
    println("total=$total")
}

fun scoreWithBonus(score: Int, bonusRule: (Int) -> Int): Int {
    val bonus = bonusRule(score)
    return score + bonus
}

fun main() {
    val score = 
    val total = scoreWithBonus(score) { current ->
        if (current >= 8) {
            5
        } else {
            2
        }
    }

    println("score=$score")
    println("total=$total")
}
higher-order A higher-order function takes a function argument or returns a function result.