org.dmfs.jems.function.elementary

Class DiffMap<Left,Right,Result>

java.lang.Object

org.dmfs.jems.function.elementary.DiffMap<Left,Right,Result>

All Implemented Interfaces:

Function<Pair<? extends Optional<? extends Left>,? extends Optional<? extends Right>>,Result>

public final class DiffMap<Left,Right,Result>
extends java.lang.Object
implements Function<Pair<? extends Optional<? extends Left>,? extends Optional<? extends Right>>,Result>

A Function to be used to map the result of Diff using three delegate functions.

Example usage

 new Mapped<>(
     new DiffMap<>(
         (left, right) -> …,

         (left) -> …,

         (right) -> …
     ),
     new Diff<>(lefts, rights, comparator));
 

Constructor Summary

Constructors

Constructor and Description
DiffMap(BiFunction<? super Left,? super Right,? extends Result> leftRightFunction, Function<? super Left,? extends Result> leftFunction, Function<? super Right,? extends Result> rightFunction)

Method Summary

Modifier and Type	Method and Description
Result	value(Pair<? extends Optional<? extends Left>,? extends Optional<? extends Right>> pair) Returns the value of this function at the given argument.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DiffMap

public DiffMap(BiFunction<? super Left,? super Right,? extends Result> leftRightFunction,
               Function<? super Left,? extends Result> leftFunction,
               Function<? super Right,? extends Result> rightFunction)

Method Detail

value

public Result value(Pair<? extends Optional<? extends Left>,? extends Optional<? extends Right>> pair)

Description copied from interface: Function

Returns the value of this function at the given argument.

Specified by:

value in interface Function<Pair<? extends Optional<? extends Left>,? extends Optional<? extends Right>>,Result>

Parameters:

pair - The argument of the function.

Returns:

The value of the function.