bug729.check

来自「JAVA 语言的函数式编程扩展」· CHECK 代码 · 共 7 行

bug729.scala:20: error: type mismatch;
 found   : ScalaParserAutoEdit.this.NodeImpl(in trait Parser)
 required: ScalaParserAutoEdit.this.NodeImpl(in trait ScalaParserAutoEdit)
      val yyy : NodeImpl = link.from;
                                ^
one error found