eu.hanskruse.noaber.tuples

Class Tuple0

java.lang.Object

eu.hanskruse.noaber.tuples.BaseTuple

eu.hanskruse.noaber.tuples.Tuple0

All Implemented Interfaces:

Tuple

public abstract class Tuple0
extends BaseTuple

Tuple of 0 elements.

Constructor Summary

Constructors

Constructor and Description
Tuple0()

Method Summary

Modifier and Type	Method and Description
<R> R	head() Always throws a NoSuchElementException.
boolean	isEmpty() Whether the Tuple is empty.
static Tuple0	of() Creates a Tuple0 of 0 elements.
int	size() Gets the number of elements of the Tuple.
Tuple	tail() Gets a Tuple with all the elements of this tuple skipping the first one.
Object[]	toArray() Convert this Tuple to an Object[].
<T> T[]	toArray(T[] arr) Fill an arrat with the elements of this Tuple.

Methods inherited from class java.lang.Object

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

Methods inherited from interface eu.hanskruse.noaber.tuples.Tuple

asIterable, get, last, stream

Constructor Detail

Tuple0

public Tuple0()

Method Detail

of

public static Tuple0 of()

Creates a Tuple0 of 0 elements.

Returns:

the created Tuple0

size

public int size()

Description copied from interface: Tuple

Gets the number of elements of the Tuple.

Returns:

the number of elements of the Tuple

head

public <R> R head()

Always throws a NoSuchElementException. Tuple0 has n0 elements.

Type Parameters:

R - type to cast to.

Returns:

first element of the tuple

tail

public Tuple tail()

Gets a Tuple with all the elements of this tuple skipping the first one.

Returns:

the tail of this tuple as Tuple

isEmpty

public boolean isEmpty()

Whether the Tuple is empty. This is always true.

Returns:

true

toArray

public Object[] toArray()

Convert this Tuple to an Object[].

Returns:

an Object[] representation of this Tuple.

toArray

public <T> T[] toArray(T[] arr)

Fill an arrat with the elements of this Tuple.

Type Parameters:

T - type of the provided array

Parameters:

arr - the array to file

Returns:

arr filled with the elements of the tuple or a new array with the elements of the tuple if the provided array was too small.