t0586.scala

来自「JAVA 语言的函数式编程扩展」· SCALA 代码 · 共 9 行

object RClose {
  type ReflectCloseable = { def close(): Unit }
  def withReflectCloseable[T <: ReflectCloseable, R](s: T)(action: T => R): R =
    try {
      action(s)
    } finally {
      s.close()
    }
}