bug663.check

来自「JAVA 语言的函数式编程扩展」· CHECK 代码 · 共 8 行

bug663.scala:11: error: name clash between defined and inherited member:
method asMatch:(Test.this.Node)Any and
method asMatch:(Test.this.Matchable)Any in trait MatchableImpl
have same type after erasure: (test.Test#NodeImpl)java.lang.Object
    def asMatch(m : Node) : Any = {
        ^
one error found