Class Seq0<T>

java.lang.Object
  Seq<T>
      Seq0<T>

public final class Seq0<T>
extends Seq<T>

A empty sequence subclass of Seq. See the documentation of Seq.

Nested Class Summary

Nested classes/interfaces inherited from class Seq

Seq.SeqIterator

Constructor Summary

Seq0()

Method Summary

Seq<T>	copy() Accessor that copies the sequence.
boolean	equals(java.lang.Object obj)
T	getFirst() Accessor returning the first element in sequence.
protected Seq<T>	getSubseq()
boolean	isEmpty() Accessor testing emptyness.
int	length() Accessor determining length.
protected Seq<T>	reverseRecurs(Seq<T> buildMe)
void	setFirst(T t) Mutator that resets the first value of the sequence.
protected void	setSubseq(Seq<T> t)
protected char[]	toStringRecurs(int where)

Methods inherited from class Seq

iterator, reverse, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Seq0

public Seq0()

Method Detail

isEmpty

public boolean isEmpty()

Description copied from class: Seq

Accessor testing emptyness.

Specified by:

isEmpty in class Seq<T>

Returns:

true iff the sequence is empty

length

public int length()

Description copied from class: Seq

Accessor determining length.

Specified by:

length in class Seq<T>

Returns:

an int giving the length of the sequence

setFirst

public void setFirst(T t)

Description copied from class: Seq

Mutator that resets the first value of the sequence.

Specified by:

setFirst in class Seq<T>

Parameters:

t - a generic value to replace the first in the sequence

getFirst

public T getFirst()

Description copied from class: Seq

Accessor returning the first element in sequence.

Specified by:

getFirst in class Seq<T>

Returns:

the first element of the seqeunce.

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

copy

public Seq<T> copy()

Description copied from class: Seq

Accessor that copies the sequence.

Specified by:

copy in class Seq<T>

Returns:

a clone

getSubseq

protected Seq<T> getSubseq()

Specified by:

getSubseq in class Seq<T>

setSubseq

protected void setSubseq(Seq<T> t)

Specified by:

setSubseq in class Seq<T>

toStringRecurs

protected char[] toStringRecurs(int where)

Specified by:

toStringRecurs in class Seq<T>

reverseRecurs

protected Seq<T> reverseRecurs(Seq<T> buildMe)

Specified by:

reverseRecurs in class Seq<T>