operators-overloading.kt

data class MyValue(val value: Int) {
    operator fun plus(other: MyValue): MyValue {
        return MyValue(value + other.value)
    }
}

public fun main(args: Array<String>) {
    val a = MyValue(1)
    val b = MyValue(2)
    println(a + b)  // MyValue(value=3)
}