我有最简单的代码
sealed trait WhereCondition
final case class StringWhereCondition(condition: String) extends WhereCondition
implicit def fromStrToWhereCondition (str: String): WhereCondition = StringWhereCondition(str)
隐式方法行不幸给出错误
Wrong top statement declaration
从IntelliJ，我无法弄清这是怎么回事？