KotlinApp.kt : Kotlin -> Kotlin

KotlinApp.kt

fun invokeKotlinInterface(id: Int, i: KotlinInterface) = i.apply(id)

fun useKotlinInterface() {
    val kotlinInterface = object : KotlinInterface {
        override fun apply(id: Int) = id % 2 == 0
    }
    invokeKotlinInterface(3, object : KotlinInterface {
        override fun apply(id: Int) = id % 2 == 0
    })
    invokeKotlinInterface(4, object : KotlinInterface {
        override fun apply(id: Int) = isEven(id)
    })
}