net.emaze.dysfunctional.consumers

Class MaybeOneElement<E>

java.lang.Object

net.emaze.dysfunctional.consumers.MaybeOneElement<E>

Type Parameters:

E - the iterator element type

All Implemented Interfaces:

Function<Iterator<E>,Optional<E>>

public class MaybeOneElement<E>
extends Object
implements Function<Iterator<E>,Optional<E>>

Searches for zero or one element, throws if more than one element is found.

Author:

rferranti

Constructor Summary

Constructors

Constructor and Description
MaybeOneElement()

Method Summary

Modifier and Type	Method and Description
Optional<E>	apply(Iterator<E> consumable)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

MaybeOneElement

public MaybeOneElement()

Method Detail

apply

public Optional<E> apply(Iterator<E> consumable)

Specified by:

apply in interface Function<Iterator<E>,Optional<E>>