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找不到Scala隐式参数_Scala_Implicit - Fatal编程技术网

找不到Scala隐式参数

找不到Scala隐式参数,scala,implicit,Scala,Implicit,我正在尝试编写此对象: object Timed { def apply[T](fn: => T)(implicit logger: Logger): T = measureDuration(Thread.currentThread().getStackTrace.last.getMethodName, TimeUnit.MILLISECONDS, fn, logger) } 我想这样做(在另一个类中): 一切似乎都在范围内(相同的包),但我始终得到: could not f

我正在尝试编写此
对象

object Timed {
  def apply[T](fn: => T)(implicit logger: Logger): T =
    measureDuration(Thread.currentThread().getStackTrace.last.getMethodName, TimeUnit.MILLISECONDS, fn, logger)
}
我想这样做(在另一个
类中
):

一切似乎都在范围内(相同的包),但我始终得到:

could not find implicit value for parameter logger: org.slf4j.Logger
Timed { someFunction() }
我获得这项工作的唯一方法,基本上是不使用隐式:

Timed { someFunction() }(logger)
工作-这显然违背了目的


我遗漏了什么???

val logger
之前,您遗漏了
隐式
关键字,如果您愿意,您甚至可以将其移动到定时对象中。谢谢!它与
val logger
之前的
隐式
一起工作。使用
数组上的最后一个
是一个代码smell@cchantep-真的吗?我不知道为什么?哦-数组可能是空的?
Timed { someFunction() }(logger)