Method runeToString

java/com/google/re2j/Utils.java:102–105

(int r)

  // Returns the Java UTF-16 string containing the single rune |r|.
  static String runeToString(int r) {
    char c = (char) r;
    return r == c ? String.valueOf(c) : new String(Character.toChars(c));
  }

  // Returns a new copy of the specified subarray.
  static int[] subarray(int[] array, int start, int end) {