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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2007, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id: genprod.scala 9543 2007-01-02 16:51:29Z emir $
// generated by genprod on Wed Jan 03 13:31:53 CET 2007
package scala
import Predef._
object Product2 {
def unapply[T1, T2](x: Product2[T1, T2]): Some[Product2[T1, T2]] =
Some(x)
}
/** Product2 is a cartesian product of 2 components
*/
trait Product2[+T1, +T2] extends Product {
/**
* The arity of this product.
* @return 2
*/
override def arity = 2
/**
* Returns the n-th projection of this product if 0<=n<arity,
* otherwise null.
*
* @param n number of the projection to be returned
* @return same as _(n+1)
* @throws IndexOutOfBoundsException
*/
override def element(n: Int) = n match {
case 0 => _1
case 1 => _2
case _ => throw new IndexOutOfBoundsException(n.toString())
}
/** projection of this product */
def _1: T1
/** projection of this product */
def _2: T2
}
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