Method merge

classpath/java/util/regex/CharacterMatcher.java:120–129

(CharacterMatcher other)

  }

  private void merge(CharacterMatcher other) {
    boolean inversePattern = this.inversePattern || other.inversePattern;
    if ((map.length < other.map.length) ^ inversePattern) {
      map = java.util.Arrays.copyOf(map, other.map.length);
    }
    for (int i = 0; i < map.length; ++ i) {
      map[i] = (matches((char)i) || other.matches((char)i)) ^ inversePattern;
    }
    this.inversePattern = inversePattern;
  }

  private void intersect(CharacterMatcher other) {
    boolean inversePattern = this.inversePattern && other.inversePattern;