bug404.scala

来自「JAVA 语言的函数式编程扩展」· SCALA 代码 · 共 13 行

trait AbsIterator {
  type T;
  def next: T;
}
class StringIterator extends AbsIterator {
  type T = char;
  def next = 'a';
}
trait SyncIterator extends AbsIterator {
  abstract override def next: T = super.next;
}
class I extends StringIterator with SyncIterator;