ErrorHandling using AllCatch

ErrorHandling.scala

  //structural typing
  def closingOrElse[T,CLOSEABLE <: {def close() : Unit}](resource: CLOSEABLE)(block: CLOSEABLE => T)(handler: Throwable => T) : T = {
    allCatch.andFinally(ignoring(classOf[Throwable]){ resource.close() }){
      allCatch.withApply{ e =>handler(e) }
      {
        block(resource)
      }
    }
  }
  
  //Closable
     def withCloseable[T <: Closeable, R](t: T)(f: T ⇒ R): R = {
      allCatch.andFinally { t.close() } apply { f(t) }
    }