Pair

public final class Pair<A extends Message, B> extends Tuple implements Element.AValue<T>, Element.BValue<T>

A tuple with two elements.

The first element must be a non-default Message and not Empty.

The second element can be Message, Optional or Either.

<A>

the type of the first element

<B>

the type of the second element

Functions

public A getA()

Obtains the first element of the tuple.

public B getB()

Obtains the second element of the tuple.

public static Pair<A, B> of<A extends Message, B extends Message>(A a, B b)

Creates a new pair of values.

public static Pair<A, B> withEither<A extends Message, B extends Either>(A a, B b)

Creates a pair with the second element of a type descending from Either.

public static Pair<A, Optional<B>> withNullable<A extends Message, B extends Message>(A a, B b)

Creates a pair with optionally present second value.

public static Pair<A, Optional<B>> withOptional<A extends Message, B extends Message>(A a, Optional<B> b)

Creates a pair with optionally present second value.

public final boolean equals(Object obj)

public void forEach(Consumer<? extends Object> action)

protected final Object get(int index)

Obtains a value at the specified index.

public final int hashCode()

public final Iterator<Message> iterator()

public abstract Iterator<T> iterator()