blob: 2baa22f269b752028ffc291b2b2a4bb0e9ae7af9 (
plain) (
tree)
|
|
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// generated by genprod on Wed Apr 23 10:06:16 CEST 2008 (with fancy comment) (with extra methods)
package scala
/** <p>
* Function with 1 parameters.
* </p>
* <p>
In the following example the definition of
* <code>succ</code> is a shorthand for the anonymous class definition
* <code>anonfun1</code>:
* </p>
* <pre>
* <b>object</b> Main <b>extends</b> Application {
*
* <b>val</b> succ = (x: Int) => x + 1
*
* <b>val</b> anonfun1 = <b>new</b> Function1[Int, Int] {
* <b>def</b> apply(x: Int): Int = x + 1
* }
*
* println(succ(0))
* println(anonfun1(0))
* }</pre>
*/
trait Function1[@specialized -T1, @specialized +R] extends AnyRef { self =>
def apply(v1:T1): R
override def toString() = "<function>"
/** (f compose g)(x) == f(g(x))
*/
def compose[A](g: A => T1): A => R = { x => apply(g(x)) }
/** (f andThen g)(x) == g(f(x))
*/
def andThen[A](g: R => A): T1 => A = { x => g(apply(x)) }
}
|