akka.japi.pf.FI.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of akkajsactor_sjs0.6_2.12 Show documentation

akkaJsActor

There is a newer version: 2.2.6.3

Show newest version

/**
 * Copyright (C) 2009-2015 Typesafe Inc. 
 */

package akka.japi.pf

/**
 * Class that encapsulates all the Functional Interfaces
 * used for creating partial functions.
 *
 * This is an EXPERIMENTAL feature and is subject to change until it has received more real world testing.
 */
object FI {
  
   /**
   * Functional interface for an application.
   *
   * @param  the input type, that this Apply will be applied to
   * @param  the return type, that the results of the application will have
   */
  trait Apply[I, R] {
    /**
     * The application to perform.
     *
     * @param i  an instance that the application is performed on
     * @return  the result of the application
     */
    def apply(i: I): R
  }

	/**
   * Functional interface for an application.
   *
   * @param  the input type, that this Apply will be applied to
   */
  trait UnitApply[I] {
    /**
     * The application to perform.
     *
     * @param i  an instance that the application is performed on
     */
    def apply(i: I)
  }

	/**
   * Package scoped functional interface for a predicate. Used internally to match against arbitrary types.
   */
  trait Predicate {
    /**
     * The predicate to evaluate.
     *
     * @param o  an instance that the predicate is evaluated on.
     * @return  the result of the predicate
     */
    def defined(o: Any): Boolean
  }

}