Factory implementation of String.fromCharCodes: Allocates a new String for the specified charCodes.

factory String.fromCharCodes(List<int> charCodes) {
  return StringBase.createFromCharCodes(charCodes);
}

Concatenates all the given strings to create a new string.

static String concatAll(List<String> strings) {
  return StringBase.concatAll(strings);
}

Joins all the given strings to create a new string.

static String join(List<String> strings, String separator) {
  return StringBase.join(strings, separator);
}