bug767.scala

来自「JAVA 语言的函数式编程扩展」· SCALA 代码 · 共 19 行

abstract class AbsCell {
    type T = Node
    val init: T
    private var value: T = init
    def get: T = value
    def set (x: T): unit = { value = x }
    
    class Node {
        val foo = 1
    }
}

object inner {
    def main(args: Array[String]): Unit = {
        val cell = new AbsCell { val init = new Node() }
        cell.set(new cell.type#T()) // nullpointer exception
    }
}