org.graalvm.collections

Class Pair<L,R>

java.lang.Object

org.graalvm.collections.Pair<L,R>

public final class Pair<L,R>
extends Object

Utility class representing a pair of values.

Since:

19.0

Method Summary

Modifier and Type	Method and Description
static <L,R> Pair<L,R>	create(L left, R right) Constructs a pair with its left value being left, and its right value being right, or returns an empty pair if both inputs are null.
static <L,R> Pair<L,R>	createLeft(L left) Constructs a pair with its left value being left, or returns an empty pair if left is null.
static <L,R> Pair<L,R>	createRight(R right) Constructs a pair with its right value being right, or returns an empty pair if right is null.
static <L,R> Pair<L,R>	empty() Returns an empty pair.
boolean	equals(Object obj)
L	getLeft() Returns the left value of this pair.
R	getRight() Returns the right value of this pair.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

empty

public static <L,R> Pair<L,R> empty()

Returns an empty pair.

Since:

19.0

createLeft

public static <L,R> Pair<L,R> createLeft(L left)

Constructs a pair with its left value being left, or returns an empty pair if left is null.

Returns:

the constructed pair or an empty pair if left is null.

Since:

19.0

createRight

public static <L,R> Pair<L,R> createRight(R right)

Constructs a pair with its right value being right, or returns an empty pair if right is null.

Returns:

the constructed pair or an empty pair if right is null.

Since:

19.0

create

public static <L,R> Pair<L,R> create(L left,
                                     R right)

Constructs a pair with its left value being left, and its right value being right, or returns an empty pair if both inputs are null.

Returns:

the constructed pair or an empty pair if both inputs are null.

Since:

19.0

getLeft

public L getLeft()

Returns the left value of this pair.

Since:

19.0

getRight

public R getRight()

Returns the right value of this pair.

Since:

19.0

hashCode

public int hashCode()

Overrides:

hashCode in class Object

Since:

19.0

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

Since:

19.0

toString

public String toString()

Overrides:

toString in class Object

Since:

19.0