org.zwobble.mammoth.internal.util

Class Optionals

java.lang.Object

org.zwobble.mammoth.internal.util.Optionals

public class Optionals
extends Object

Constructor Summary

Constructors

Constructor and Description
Optionals()

Method Summary

Modifier and Type	Method and Description
static <T> Optional<T>	first(Optional<T> first, Optional<T> second)
static <T1,T2,R> Optional<R>	flatMap(Optional<T1> first, Optional<T2> second, BiFunction<T1,T2,Optional<R>> function)
static <T1,T2,R> Optional<R>	map(Optional<T1> first, Optional<T2> second, BiFunction<T1,T2,R> function)
static <R> Optional<R>	map(OptionalInt first, IntFunction<R> function)

Methods inherited from class java.lang.Object

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

Constructor Detail

Optionals

public Optionals()

Method Detail

first

public static <T> Optional<T> first(Optional<T> first,
                                    Optional<T> second)

flatMap

public static <T1,T2,R> Optional<R> flatMap(Optional<T1> first,
                                            Optional<T2> second,
                                            BiFunction<T1,T2,Optional<R>> function)

map

public static <T1,T2,R> Optional<R> map(Optional<T1> first,
                                        Optional<T2> second,
                                        BiFunction<T1,T2,R> function)

map

public static <R> Optional<R> map(OptionalInt first,
                                  IntFunction<R> function)