vamsitallapudi

val list = listOf(1, 3, 5, 7, 9)
//    if the lambda expression is the last parameter, we can move the parameter out
println(list.fold(1) { a, b -> a * b })

vamsitallapudi

val list = listOf(1, 3, 5, 7, 9)
//    fold function is taking a parameter and a lambda expression
println(list.fold(1, { a, b -> a * b }))

vamsitallapudi

fun main() {
    areaOfRectangleSimplified(30,40)
}

vamsitallapudi

//simplified version
val areaOfRectangleSimplified: (Int, Int) -> Int = { length, breadth -> length * breadth }

vamsitallapudi

fun main() {
    areaOfRectangle(10,20)
}

vamsitallapudi

//Lambda Expression
val areaOfRectangle = { length: Int, breadth: Int -> (length * breadth) }

vamsitallapudi

{ length: Int, breadth: Int -> (length * breadth) }

vamsitallapudi

// Normal function
fun area(length:Int, breadth: Int) : Int{
    return length * breadth
}

vamsitallapudi

fun main(args: Array<String>) {
    val areaOfSquare = area()
    println(areaOfSquare(5))
    println(areaOfSquare(10))
}

fun area() : (Int) -> Int {
    return {i -> i * i}
}

vamsitallapudi

fun main(args: Array<String>) {
    val list = listOf(1,2,3,4,5)
    list.forEach({a -> a*a})
}