ix.util.lisp
Class Null

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.AbstractSequentialList
              ix.util.lisp.LList
                  ix.util.lisp.Null

All Implemented Interfaces:

LispObject, java.io.Serializable, java.lang.Comparable, java.lang.Iterable, java.util.Collection, java.util.List

public final class Null
extends LList

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

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Null()

Method Summary

LList	append(LList tail)
java.lang.Object	car()
LList	cdr()
int	compareTo(java.lang.Object o)
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()
static Null	valueOf(java.lang.String name)

Methods inherited from class ix.util.lisp.LList

alistEntry, alistKeys, alistToMap, alistValue, clone, delete, drop, dropTo, flatmap, get, get, insert, intersect, isEmpty, iterator, lastCons, lastIndexOf, listIterator, LListify, mapc, mapcar, mapNth, mapToAlist, mapTree, newLList, permute, put, replaceAll, reverse, size, take, takeTo, toJavaString, walkTree, without, withoutAll, withoutFirst, withoutFirstEqual

Methods inherited from class java.util.AbstractSequentialList

add, addAll, 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()

Specified by:

isNull in class LList

car

public java.lang.Object car()

Specified by:

car in class LList

cdr

public LList cdr()

Specified by:

cdr in class LList

length

public int length()

Specified by:

length in class LList

elementAt

public java.lang.Object elementAt(int i)

Specified by:

elementAt in class LList

elements

public java.util.Enumeration elements()

Specified by:

elements in class LList

equal

public boolean equal(LList l)

Specified by:

equal in class LList

find

public boolean find(java.lang.Object a)

Specified by:

find in class LList

append

public LList append(LList tail)

Specified by:

append in class LList

readResolve

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

Throws:

java.io.ObjectStreamException

compareTo

public int compareTo(java.lang.Object o)

toString

public java.lang.String toString()

Overrides:

toString in class java.util.AbstractCollection

valueOf

public static Null valueOf(java.lang.String name)