By comparison, if the delegate is a constructor pa...

# general-advice

[eduardog3000]

By comparison, if the delegate is a constructor param, it's easy:

class PropList<T>(private val delegate: ArrayList<T>) : MutableList<T> by delegate {
	override fun add(element: T): Boolean {
		// extra stuff I need to do
		return delegate.add(element)
	}
}