Method appendClassWithSign

java/com/google/re2j/CharClass.java:275–277

(int[] x, int sign)

  // appendClassWithSign() calls appendClass() if sign is +1 or
  // appendNegatedClass if sign is -1.  Does not mutate |x|.
  CharClass appendClassWithSign(int[] x, int sign) {
    return sign < 0 ? appendNegatedClass(x) : appendClass(x);
  }

  // appendGroup() appends CharGroup |g| to this CharClass, folding iff
  // |foldCase|.  Does not mutate |g|.