Scala Library: scala.throws Feb 15, 2016 scala.throws class throws[T <: Throwable] extends Annotation with StaticAnnotation Annotation for specifying the exceptions thrown by a method. For example: class Reader(fname: String) { private val in = new BufferedReader(new FileReader(fname)) @throws[IOException]("if the file doesn't exist") def read() = in.read() } Source throws.scala - Blame throws.scala - History Version 1.0, 19/05/2006 Since 2.1 Instance Constructors From scala.throws new throws(clazz: Class[T]) (defined at scala.throws) Full Source: /* __ *\ ** ________ ___ / / ___ Scala API ** ** / __/ __// _ | / / / _ | (c) 2002-2013, LAMP/EPFL ** ** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** ** /____/\___/_/ |_/____/_/ | | ** ** |/ ** \* */ package scala /** * Annotation for specifying the exceptions thrown by a method. * For example: * {{{ * class Reader(fname: String) { * private val in = new BufferedReader(new FileReader(fname)) * @throws[IOException]("if the file doesn't exist") * def read() = in.read() * } * }}} * * @author Nikolay Mihaylov * @version 1.0, 19/05/2006 * @since 2.1 */ class throws[T <: Throwable](cause: String = "") extends scala.annotation.StaticAnnotation { def this(clazz: Class[T]) = this("") } Interested in Scala?I send out weekly, personalized emails with articles and conference talks. Subscribe now.