Package 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
    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, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Method Details

    • 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