class Stack<T> : IPushPop<T> { | |
private val data = ArrayList<T>(); | |
override fun push(item : T) { | |
data.add(item) // Problem: I would like to write push(...) = data.add(...), but the types do not match | |
} | |
override fun pop() = data.removeLast() | |
override val isEmpty | |
get() = data.isEmpty | |
} |