toString method
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;
}