Package org.dmfs.jems2.optional

Class First<T>

java.lang.Object

org.dmfs.jems2.optional.LazyDelegatingOptional<T>

org.dmfs.jems2.optional.First<T>

All Implemented Interfaces:

Optional<T>

public final class First<T>
extends LazyDelegatingOptional<T>

The first value of an Iterable.

Constructor Summary

Constructors

Constructor	Description
First(java.lang.Iterable<T> iterable)	Creates the Optional first value of the given Iterable.
First(Predicate<? super T> predicate, java.lang.Iterable<T> iterable)	Creates an Optional of the first value of the given Iterable which matches the given Predicate.

Method Summary

Methods inherited from class org.dmfs.jems2.optional.LazyDelegatingOptional

isPresent, value

Methods inherited from class java.lang.Object

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

Constructor Detail

First

public First(Predicate<? super T> predicate,
             java.lang.Iterable<T> iterable)

Creates an Optional of the first value of the given Iterable which matches the given Predicate.

Parameters:

predicate - The Predicate

iterable - The Iterable

First

public First(java.lang.Iterable<T> iterable)

Creates the Optional first value of the given Iterable.

Parameters:

iterable - A Iterable.