IntermediateLambdas
Higher-Order Function
Pass a function as a parameter.
kotlin
fun calculate(a: Int, b: Int, operation: (Int, Int) -> Int): Int {
return operation(a, b)
}
fun main() {
val result = calculate(10, 5) { x, y -> x + y }
println(result)
}Output
15
Explanation
calculate takes a function parameter. We pass a lambda that adds two numbers. The function type (Int, Int) -> Int describes the signature.