uk.co.strangeskies.collection.tuple

Class EmptyTuple

java.lang.Object

uk.co.strangeskies.collection.tuple.Tuple<java.lang.Void,Tuple<?,?>>

uk.co.strangeskies.collection.tuple.EmptyTuple

public final class EmptyTuple
extends Tuple<java.lang.Void,Tuple<?,?>>

The null tuple entry, used for terminating a tuple.

Method Summary

Modifier and Type	Method and Description
static EmptyTuple	get()
int	getSize() The number of entries in this tuple, including the head and every entry in the tail.
boolean	hasTail() Does this tuple have a tail, or is it terminating.

Methods inherited from class uk.co.strangeskies.collection.tuple.Tuple

equals, getHead, getTail, mapHead, mapTail, next, prepend, setHead, setTail, tailCounter, toString, toSubStrings

Methods inherited from class java.lang.Object

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

Method Detail

get

public static EmptyTuple get()

Returns:

Return an instance of the empty tuple.

hasTail

public boolean hasTail()

Description copied from class: Tuple

Does this tuple have a tail, or is it terminating.

Overrides:

hasTail in class Tuple<java.lang.Void,Tuple<?,?>>

Returns:

True if the tuple has a tail, false otherwise.

getSize

public int getSize()

Description copied from class: Tuple

The number of entries in this tuple, including the head and every entry in the tail.

Overrides:

getSize in class Tuple<java.lang.Void,Tuple<?,?>>

Returns:

The number of entries.