edu.umn.cs.melt.copper.runtime.auxiliary

Class Pair<X,Y>

java.lang.Object

edu.umn.cs.melt.copper.runtime.auxiliary.Pair<X,Y>

public class Pair<X,Y>
extends java.lang.Object

Parametrically polymorphic class for pairs of all kinds.

Constructor Summary

Constructors

Constructor and Description
Pair(X first, Y second) Creates a new instance of Pair.

Method Summary

Modifier and Type	Method and Description
static <X,Y> Pair<X,Y>	cons(X first, Y second)
boolean	equals(java.lang.Object rhs)
X	first() Gets the first element of this Pair.
int	hashCode()
Y	second() Gets the second element of this Pair.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Pair

public Pair(X first,
            Y second)

Creates a new instance of Pair.

Parameters:

first - The first element of this Pair.

second - The second element of this Pair.

Method Detail

first

public X first()

Gets the first element of this Pair.

Returns:

The first element of this Pair.

second

public Y second()

Gets the second element of this Pair.

Returns:

The second element of this Pair.

equals

public boolean equals(java.lang.Object rhs)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

cons

public static <X,Y> Pair<X,Y> cons(X first,
                                   Y second)