toString method

  1. @override
String toString()
override

A string representation of this object.

Some classes have a default textual representation, often paired with a static parse function (like int.parse). These classes will provide the textual representation as their string representation.

Other classes have no meaningful textual representation that a program will care about. Such classes will typically override toString to provide useful information when inspecting the object, mainly for debugging or logging.

Implementation

@override
String toString() {
  var result = _rendered;
  if (result == null) {
    result = [
      language,
      if (extendedLanguageSubtags != null) extendedLanguageSubtags,
      if (script != null) script,
      if (region != null) region,
      if (variant != null) variant,
      if (extension != null) extension,
      if (privateuse != null) privateuse,
    ].join(defaultSeparator);
    _rendered = result;
  }
  return result;
}