相关疑难解决方法(0)

我需要User通过提供除id某些情况以外的所有值来创建对象的能力，以便该对象负责为其User自身分配一个自动生成的值。

为此，我重载apply方法在随对象，如下所示。但这会导致编译时错误：value tupled is not a member of object。

StackOverflow和其他博客上提到的解决方案不起作用，例如：http : //queirozf.com/entries/slick-error-message-value-tupled-is-not-a-member-of-object

case class User(id: Long, firstName: String, lastName: String, mobile: Long, email: String)

object User {
  private val seq = new AtomicLong

  def apply(firstName: String, lastName: String, mobile: Long, email: String): User = {
    User(seq.incrementAndGet(), firstName, lastName, mobile, email)
  }
}

class UserTableDef(tag: Tag) extends Table[User](tag, "user") {

  def id = column[Long]("id", O.PrimaryKey, O.AutoInc)
  def firstName = column[String]("first_name")
  def lastName …