Reference

data class Reference<out T : Any>(current: T, next: () -> T?)

A reference gives a data and a function to later check the validity and retrieve that data.

Parameters

current

The value of the reference at the time of reference creation.

A function that returns the value of the reference, or null if the reference has become invalid, when later needed.

Reference

common

fun <out T : Any> Reference(current: T, next: () -> T?)

The value of the reference at the time of reference creation.

current

common

The value of the reference at the time of reference creation.

common

val next: () -> T?

A function that returns the value of the reference, or null if the reference has become invalid, when later needed.