bug262.scala

来自「JAVA 语言的函数式编程扩展」· SCALA 代码 · 共 15 行

object O {
  abstract class A {
    def f:A; 
  }
  class B extends A {
    def f = if(1 == 2) new C else new D;
  }
  class C extends A { 
    def f = this;
  }
  class D extends A {
    def f = this;
  }
}