org.dmfs.jems.iterator.decorators

Class Distinct<T>

java.lang.Object

org.dmfs.iterators.decorators.DelegatingIterator<T>

org.dmfs.jems.iterator.decorators.Distinct<T>

All Implemented Interfaces:

java.util.Iterator<T>

public final class Distinct<T>
extends DelegatingIterator<T>

An Iterator which drops duplicates of already iterated elements.

Examples

 Distinct([1, 2, 2, 1, 2, 3, 3]) ->
 [1, 2, 3]

 Distinct(String::length, ["abc", "xyz", "42", "21"]) ->
 ["abc", "42"]
 

Constructor Summary

Constructors

Constructor and Description
Distinct(Function<? super T,? extends V> criterionFunction, java.util.Iterator<T> delegate)
Distinct(java.util.Iterator<T> delegate)

Method Summary

Methods inherited from class org.dmfs.iterators.decorators.DelegatingIterator

hasNext, next, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

Distinct

public Distinct(java.util.Iterator<T> delegate)

Distinct

public Distinct(Function<? super T,? extends V> criterionFunction,
                java.util.Iterator<T> delegate)