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Standard library for the SubScript extension of the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// GENERATED CODE: DO NOT EDIT. See scala.Function0 for timestamp.
package scala
object Product4 {
def unapply[T1, T2, T3, T4](x: Product4[T1, T2, T3, T4]): Option[Product4[T1, T2, T3, T4]] =
Some(x)
}
/** Product4 is a cartesian product of 4 components.
* @since 2.3
*/
trait Product4[+T1, +T2, +T3, +T4] extends Any with Product {
/** The arity of this product.
* @return 4
*/
override def productArity = 4
/** Returns the n-th projection of this product if 0 < n <= productArity,
* otherwise throws an `IndexOutOfBoundsException`.
*
* @param n number of the projection to be returned
* @return same as `._(n+1)`, for example `productElement(0)` is the same as `._1`.
* @throws IndexOutOfBoundsException
*/
@throws(classOf[IndexOutOfBoundsException])
override def productElement(n: Int) = n match {
case 0 => _1
case 1 => _2
case 2 => _3
case 3 => _4
case _ => throw new IndexOutOfBoundsException(n.toString())
}
/** A projection of element 1 of this Product.
* @return A projection of element 1.
*/
def _1: T1
/** A projection of element 2 of this Product.
* @return A projection of element 2.
*/
def _2: T2
/** A projection of element 3 of this Product.
* @return A projection of element 3.
*/
def _3: T3
/** A projection of element 4 of this Product.
* @return A projection of element 4.
*/
def _4: T4
}