interface OnClickListener {
    fun onClick(view: View)
}

class Button {
    fun setOnClickListener(listener: OnClickListener) {
        // ...
    }
}

val button = Button()
button.setOnClickListener { view -> 
    // обработка нажатия кнопки
}

class Person(val name: String) {
    fun getName(): String = name
}

val persons = listOf(Person("Alice"), Person("Bob"))
val names = persons.map(Person::getName)

val person = Person("Alice")
val name = person::getName

inline fun functionName(parameter1: Type1, parameter2: Type2, ..., parameterN: TypeN, block: () -> Unit): ReturnType {
    // function body
}

inline fun foo(inlined: () -> Unit, noinline notInlined: () -> Unit) {
    // ...
}

fun main() {
    printType<String>()    // String
    printType<Int>()       // Int
}

private inline fun <reified T> printType() {
    println(T::class.simpleName)
}

fun main() {
    println(isOfType<Int>(1))          // true
    println(isOfType<Int>("Hello"))    // false
}

private inline fun <reified T> isOfType(value: Any): Boolean {
    return value is T
}

enum class Color { RED, GREEN, BLUE }

fun main() {
    printEnumValues<Color>()    // RED, GREEN, BLUE
}

private inline fun <reified T : Enum<T>> printEnumValues() {
    enumValues<T>().forEach { value ->
        println(value)
    }
}