Generic Box

Store a value while keeping its type.

GenericBox.kt

class Box<T>(val value: T) {
    fun label(): String {
        return "value:$value"
    }
}

fun main() {
    val item = 
    val box = Box(item)
    val label = box.label()

    println("item=$item")
    println("label=$label")
}

class Box<T>(val value: T) {
    fun label(): String {
        return "value:$value"
    }
}

fun main() {
    val item = 
    val box = Box(item)
    val label = box.label()

    println("item=$item")
    println("label=$label")
}

class Box<T>(val value: T) {
    fun label(): String {
        return "value:$value"
    }
}

fun main() {
    val item = 
    val box = Box(item)
    val label = box.label()

    println("item=$item")
    println("label=$label")
}

generic-class A generic class can keep the type of the value it stores.