// Text with commas
        input = "text,with,commas";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("\"text,with,commas\"", result);

        // Text with both quotes and commas
        input = "text \"with\" quotes, and commas";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("\"text \"\"with\"\" quotes, and commas\"", result);
    }

        }
        final PrunedTag other = (PrunedTag) obj;
        return StringUtils.compare(tag, other.tag) == 0 //
                && StringUtils.compare(css, other.css) == 0 //
                && StringUtils.compare(id, other.id) == 0 //
                && StringUtils.compare(attrName, other.attrName) == 0 //
                && StringUtils.compare(attrValue, other.attrValue) == 0;
    }

    /**

  4. Please squash all commits for a change into a single commit (this can be
     done using `git rebase -i`). Do your best to have a
     [well-formed commit message][] for the change.

[Java style guide]: https://google.github.io/styleguide/javaguide.html
[well-formed commit message]: https://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html

#### Merging pull requests ####

    }

    /**
     * Returns a compact string representation of this mapping item in the format "input1,input2=>output".
     * If the item has pending updates, the new values are used; otherwise, the current values are used.
     *
     * @return compact string representation of the mapping rule
     */
    public String toLineString() {
        if (isUpdated()) {

  }

  public void testConcat() {
    assertThat(Shorts.concat()).isEqualTo(EMPTY);
    assertThat(Shorts.concat(EMPTY)).isEqualTo(EMPTY);
    assertThat(Shorts.concat(EMPTY, EMPTY, EMPTY)).isEqualTo(EMPTY);
    assertThat(Shorts.concat(ARRAY1)).isEqualTo(ARRAY1);
    assertThat(Shorts.concat(ARRAY1)).isNotSameInstanceAs(ARRAY1);
    assertThat(Shorts.concat(EMPTY, ARRAY1, EMPTY)).isEqualTo(ARRAY1);

   * equivalent {@link Boolean#compare} method instead.
   *
   * @param a the first {@code boolean} to compare
   * @param b the second {@code boolean} to compare
   * @return a positive number if only {@code a} is {@code true}, a negative number if only {@code
   *     b} is true, or zero if {@code a == b}
   */
  @InlineMe(replacement = "Boolean.compare(a, b)")
  public static int compare(boolean a, boolean b) {

   * equivalent {@link Boolean#compare} method instead.
   *
   * @param a the first {@code boolean} to compare
   * @param b the second {@code boolean} to compare
   * @return a positive number if only {@code a} is {@code true}, a negative number if only {@code
   *     b} is true, or zero if {@code a == b}
   */
  @InlineMe(replacement = "Boolean.compare(a, b)")
  public static int compare(boolean a, boolean b) {

    assertThat(Chars.concat()).isEqualTo(EMPTY);
    assertThat(Chars.concat(EMPTY)).isEqualTo(EMPTY);
    assertThat(Chars.concat(EMPTY, EMPTY, EMPTY)).isEqualTo(EMPTY);
    assertThat(Chars.concat(ARRAY1)).isEqualTo(ARRAY1);
    assertThat(Chars.concat(ARRAY1)).isNotSameInstanceAs(ARRAY1);
    assertThat(Chars.concat(EMPTY, ARRAY1, EMPTY)).isEqualTo(ARRAY1);
    assertThat(Chars.concat(ARRAY1, ARRAY1, ARRAY1))

  }

  public void testConcat() {
    assertThat(Doubles.concat()).isEqualTo(EMPTY);
    assertThat(Doubles.concat(EMPTY)).isEqualTo(EMPTY);
    assertThat(Doubles.concat(EMPTY, EMPTY, EMPTY)).isEqualTo(EMPTY);
    assertThat(Doubles.concat(ARRAY1)).isEqualTo(ARRAY1);
    assertThat(Doubles.concat(ARRAY1)).isNotSameInstanceAs(ARRAY1);
    assertThat(Doubles.concat(EMPTY, ARRAY1, EMPTY)).isEqualTo(ARRAY1);

        features down to compact but powerful abstractions, and controlling feature bloat carefully.


        Guava's main yardstick for evaluating proposed features can be summed up as [utility times
        ubiquity](https://github.com/google/guava/wiki/PhilosophyExplained#utility-times-ubiquity).


        #### Utility: compare with alternatives