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Wrapper around the Double Dummy Solver C++ Library.
The newest version!
// Generated by jextract

package dds;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct futureTricks {
 *     int nodes;
 *     int cards;
 *     int suit[13];
 *     int rank[13];
 *     int equals[13];
 *     int score[13];
 * }
 * }
 */
public class futureTricks {

    futureTricks() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        Dds.C_INT.withName("nodes"),
        Dds.C_INT.withName("cards"),
        MemoryLayout.sequenceLayout(13, Dds.C_INT).withName("suit"),
        MemoryLayout.sequenceLayout(13, Dds.C_INT).withName("rank"),
        MemoryLayout.sequenceLayout(13, Dds.C_INT).withName("equals"),
        MemoryLayout.sequenceLayout(13, Dds.C_INT).withName("score")
    ).withName("futureTricks");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final OfInt nodes$LAYOUT = (OfInt)$LAYOUT.select(groupElement("nodes"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int nodes
     * }
     */
    public static final OfInt nodes$layout() {
        return nodes$LAYOUT;
    }

    private static final long nodes$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int nodes
     * }
     */
    public static final long nodes$offset() {
        return nodes$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int nodes
     * }
     */
    public static int nodes(MemorySegment struct) {
        return struct.get(nodes$LAYOUT, nodes$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int nodes
     * }
     */
    public static void nodes(MemorySegment struct, int fieldValue) {
        struct.set(nodes$LAYOUT, nodes$OFFSET, fieldValue);
    }

    private static final OfInt cards$LAYOUT = (OfInt)$LAYOUT.select(groupElement("cards"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int cards
     * }
     */
    public static final OfInt cards$layout() {
        return cards$LAYOUT;
    }

    private static final long cards$OFFSET = 4;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int cards
     * }
     */
    public static final long cards$offset() {
        return cards$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int cards
     * }
     */
    public static int cards(MemorySegment struct) {
        return struct.get(cards$LAYOUT, cards$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int cards
     * }
     */
    public static void cards(MemorySegment struct, int fieldValue) {
        struct.set(cards$LAYOUT, cards$OFFSET, fieldValue);
    }

    private static final SequenceLayout suit$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("suit"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int suit[13]
     * }
     */
    public static final SequenceLayout suit$layout() {
        return suit$LAYOUT;
    }

    private static final long suit$OFFSET = 8;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int suit[13]
     * }
     */
    public static final long suit$offset() {
        return suit$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int suit[13]
     * }
     */
    public static MemorySegment suit(MemorySegment struct) {
        return struct.asSlice(suit$OFFSET, suit$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int suit[13]
     * }
     */
    public static void suit(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, suit$OFFSET, suit$LAYOUT.byteSize());
    }

    private static long[] suit$DIMS = { 13 };

    /**
     * Dimensions for array field:
     * {@snippet lang=c :
     * int suit[13]
     * }
     */
    public static long[] suit$dimensions() {
        return suit$DIMS;
    }
    private static final VarHandle suit$ELEM_HANDLE = suit$LAYOUT.varHandle(sequenceElement());

    /**
     * Indexed getter for field:
     * {@snippet lang=c :
     * int suit[13]
     * }
     */
    public static int suit(MemorySegment struct, long index0) {
        return (int)suit$ELEM_HANDLE.get(struct, 0L, index0);
    }

    /**
     * Indexed setter for field:
     * {@snippet lang=c :
     * int suit[13]
     * }
     */
    public static void suit(MemorySegment struct, long index0, int fieldValue) {
        suit$ELEM_HANDLE.set(struct, 0L, index0, fieldValue);
    }

    private static final SequenceLayout rank$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("rank"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int rank[13]
     * }
     */
    public static final SequenceLayout rank$layout() {
        return rank$LAYOUT;
    }

    private static final long rank$OFFSET = 60;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int rank[13]
     * }
     */
    public static final long rank$offset() {
        return rank$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int rank[13]
     * }
     */
    public static MemorySegment rank(MemorySegment struct) {
        return struct.asSlice(rank$OFFSET, rank$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int rank[13]
     * }
     */
    public static void rank(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, rank$OFFSET, rank$LAYOUT.byteSize());
    }

    private static long[] rank$DIMS = { 13 };

    /**
     * Dimensions for array field:
     * {@snippet lang=c :
     * int rank[13]
     * }
     */
    public static long[] rank$dimensions() {
        return rank$DIMS;
    }
    private static final VarHandle rank$ELEM_HANDLE = rank$LAYOUT.varHandle(sequenceElement());

    /**
     * Indexed getter for field:
     * {@snippet lang=c :
     * int rank[13]
     * }
     */
    public static int rank(MemorySegment struct, long index0) {
        return (int)rank$ELEM_HANDLE.get(struct, 0L, index0);
    }

    /**
     * Indexed setter for field:
     * {@snippet lang=c :
     * int rank[13]
     * }
     */
    public static void rank(MemorySegment struct, long index0, int fieldValue) {
        rank$ELEM_HANDLE.set(struct, 0L, index0, fieldValue);
    }

    private static final SequenceLayout equals$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("equals"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int equals[13]
     * }
     */
    public static final SequenceLayout equals$layout() {
        return equals$LAYOUT;
    }

    private static final long equals$OFFSET = 112;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int equals[13]
     * }
     */
    public static final long equals$offset() {
        return equals$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int equals[13]
     * }
     */
    public static MemorySegment equals(MemorySegment struct) {
        return struct.asSlice(equals$OFFSET, equals$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int equals[13]
     * }
     */
    public static void equals(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, equals$OFFSET, equals$LAYOUT.byteSize());
    }

    private static long[] equals$DIMS = { 13 };

    /**
     * Dimensions for array field:
     * {@snippet lang=c :
     * int equals[13]
     * }
     */
    public static long[] equals$dimensions() {
        return equals$DIMS;
    }
    private static final VarHandle equals$ELEM_HANDLE = equals$LAYOUT.varHandle(sequenceElement());

    /**
     * Indexed getter for field:
     * {@snippet lang=c :
     * int equals[13]
     * }
     */
    public static int equals(MemorySegment struct, long index0) {
        return (int)equals$ELEM_HANDLE.get(struct, 0L, index0);
    }

    /**
     * Indexed setter for field:
     * {@snippet lang=c :
     * int equals[13]
     * }
     */
    public static void equals(MemorySegment struct, long index0, int fieldValue) {
        equals$ELEM_HANDLE.set(struct, 0L, index0, fieldValue);
    }

    private static final SequenceLayout score$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("score"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int score[13]
     * }
     */
    public static final SequenceLayout score$layout() {
        return score$LAYOUT;
    }

    private static final long score$OFFSET = 164;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int score[13]
     * }
     */
    public static final long score$offset() {
        return score$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int score[13]
     * }
     */
    public static MemorySegment score(MemorySegment struct) {
        return struct.asSlice(score$OFFSET, score$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int score[13]
     * }
     */
    public static void score(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, score$OFFSET, score$LAYOUT.byteSize());
    }

    private static long[] score$DIMS = { 13 };

    /**
     * Dimensions for array field:
     * {@snippet lang=c :
     * int score[13]
     * }
     */
    public static long[] score$dimensions() {
        return score$DIMS;
    }
    private static final VarHandle score$ELEM_HANDLE = score$LAYOUT.varHandle(sequenceElement());

    /**
     * Indexed getter for field:
     * {@snippet lang=c :
     * int score[13]
     * }
     */
    public static int score(MemorySegment struct, long index0) {
        return (int)score$ELEM_HANDLE.get(struct, 0L, index0);
    }

    /**
     * Indexed setter for field:
     * {@snippet lang=c :
     * int score[13]
     * }
     */
    public static void score(MemorySegment struct, long index0, int fieldValue) {
        score$ELEM_HANDLE.set(struct, 0L, index0, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}