jfun.util

Class Pair

java.lang.Object

jfun.util.Pair

All Implemented Interfaces:

java.io.Serializable

public final class Pair
extends java.lang.Object
implements java.io.Serializable

Represents a immutable pair of objects.

Author:

Ben Yu Jan 16, 2005

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Pair(java.lang.Object f, java.lang.Object s) Create a pair.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	fst() get the first object in the pair.
Pair	setFst(java.lang.Object f) Functional update.
Pair	setSnd(java.lang.Object s) Functional update.
java.lang.Object	snd() Get the second object in the pair.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Pair

public Pair(java.lang.Object f,
    java.lang.Object s)

Create a pair.

Parameters:

f - the first object.

s - the second object.

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

fst

public java.lang.Object fst()

get the first object in the pair.

Returns:

the first object.

snd

public java.lang.Object snd()

Get the second object in the pair.

Returns:

the second object.

setFst

public Pair setFst(java.lang.Object f)

Functional update. Create a new Pair object with the first object set to f.

Parameters:

f - the new value of the first object.

Returns:

the new Pair object.

setSnd

public Pair setSnd(java.lang.Object s)

Functional update. Create a new Pair object with the second object set to f.

Parameters:

s - the new value of the second object.

Returns:

the new Pair object.