index = (index + 1) & mask;
      }
    }
    return new SmallCharMatcher(table, filter, containsZero, description);
  }

  @Override
  public boolean matches(char c) {
    if (c == 0) {
      return containsZero;
    }
    if (!checkFilter(c)) {
      return false;
    }
    int mask = table.length - 1;
    int startingIndex = smear(c) & mask;
    int index = startingIndex;

  void insertEntry(int entryIndex, @ParametricNullness E object, int hash, int mask) {
    super.insertEntry(entryIndex, object, hash, mask);
    setSucceeds(lastEntry, entryIndex);
    setSucceeds(entryIndex, ENDPOINT);
  }

  @Override
  void moveLastEntry(int dstIndex, int mask) {
    int srcIndex = size() - 1;
    super.moveLastEntry(dstIndex, mask);

    setSucceeds(getPredecessor(dstIndex), getSuccessor(dstIndex));

 * primitive utilities</a>.
 *
 * @author Louis Wasserman
 * @since 11.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class UnsignedInts {
  static final long INT_MASK = 0xffffffffL;

  private UnsignedInts() {}

  static int flip(int value) {
    return value ^ Integer.MIN_VALUE;
  }

  /**

            source[offset]);
      }

      @Override
      public void putLongLittleEndian(byte[] sink, int offset, long value) {
        long mask = 0xFFL;
        for (int i = 0; i < 8; mask <<= 8, i++) {
          sink[offset + i] = (byte) ((value & mask) >> (i * 8));
        }
      }
    }
  }

  static {
    LittleEndianBytes theGetter = JavaLittleEndianBytes.INSTANCE;
    try {
      /*

             * that least significant nonzero byte.
             */
            int n = Long.numberOfTrailingZeros(lw ^ rw) & ~0x7;
            return ((int) ((lw >>> n) & UNSIGNED_MASK)) - ((int) ((rw >>> n) & UNSIGNED_MASK));
          }
        }

        // The epilogue to cover the last (minLength % stride) elements.
        for (; i < minLength; i++) {

package com.google.common.primitives;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.primitives.UnsignedInts.INT_MASK;
import static com.google.common.primitives.UnsignedInts.compare;
import static com.google.common.primitives.UnsignedInts.toLong;

import com.google.common.annotations.GwtCompatible;

      requireNonNull(hashTable);
      int eHash = e.hashCode();
      int i0 = Hashing.smear(eHash);
      int mask = hashTable.length - 1;
      for (int i = i0; i - i0 < maxRunBeforeFallback; i++) {
        int index = i & mask;
        Object tableEntry = hashTable[index];
        if (tableEntry == null) {
          addDedupedElement(e);
          hashTable[index] = e;

    // Allows us to use & instead of %, acting on hearsay that division
    // operators (/%) are disproportionately expensive; should test this too!
    int mask = queries.length - 1;

    boolean dummy = false;
    for (int i = 0; i < reps; i++) {
      dummy ^= map.get(queries[i & mask]) != null;
    }
    return dummy;
  }

  @Benchmark
  int createAndPopulate(int reps) {
    int dummy = 0;

    return BASE16;
  }

  static final class Alphabet {
    private final String name;
    // this is meant to be immutable -- don't modify it!
    private final char[] chars;
    final int mask;
    final int bitsPerChar;
    final int charsPerChunk;
    final int bytesPerChunk;
    private final byte[] decodabet;
    private final boolean[] validPadding;
    private final boolean ignoreCase;

    Object[] table = new Object[tableSize];
    int mask = tableSize - 1;
    int hashCode = 0;
    int uniques = 0;
    for (int i = 0; i < n; i++) {
      Object element = checkElementNotNull(elements[i], i);
      int hash = element.hashCode();
      for (int j = Hashing.smear(hash); ; j++) {
        int index = j & mask;
        Object value = table[index];
        if (value == null) {