ix.util.lisp
Class Null

java.lang.Object
  |
  +--java.util.AbstractCollection
        |
        +--java.util.AbstractList
              |
              +--java.util.AbstractSequentialList
                    |
                    +--ix.util.lisp.LList
                          |
                          +--ix.util.lisp.Null

All Implemented Interfaces:

java.util.Collection, LispObject, java.util.List, java.io.Serializable

public final class Null

extends LList

The class of Lisp.NIL, and of nothing else.

See Also:

Serialized Form

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

(package private)

Null()

Method Summary

LList	append(LList tail)
java.lang.Object	car()
LList	cdr()
java.lang.Object	elementAt(int i)
java.util.Enumeration	elements()
boolean	equal(LList l)
boolean	find(java.lang.Object a)
boolean	isNull()
int	length()
protected java.lang.Object	readResolve()
java.lang.String	toString()

Methods inherited from class ix.util.lisp.LList

clone, delete, drop, flatmap, get, insert, intersect, isEmpty, iterator, lastCons, lastIndexOf, listIterator, mapc, mapcar, permute, replaceAll, reverse, size, take, walkTree, without

Methods inherited from class java.util.AbstractSequentialList

add, addAll, get, remove, set

Methods inherited from class java.util.AbstractList

add, clear, equals, hashCode, indexOf, listIterator, removeRange, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, remove, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

addAll, contains, containsAll, remove, removeAll, retainAll, toArray, toArray

Constructor Detail

Null

Null()

Method Detail

isNull

public boolean isNull()

Overrides:

isNull in class LList

car

public java.lang.Object car()

Overrides:

car in class LList

cdr

public LList cdr()

Overrides:

cdr in class LList

length

public int length()

Overrides:

length in class LList

elementAt

public java.lang.Object elementAt(int i)

Overrides:

elementAt in class LList

elements

public java.util.Enumeration elements()

Overrides:

elements in class LList

equal

public boolean equal(LList l)

Overrides:

equal in class LList

find

public boolean find(java.lang.Object a)

Overrides:

find in class LList

append

public LList append(LList tail)

Overrides:

append in class LList

readResolve

protected java.lang.Object readResolve()
                                throws java.io.ObjectStreamException

toString

public java.lang.String toString()

Overrides:

toString in class java.util.AbstractCollection