formatter method

@override FutureOr<String> formatter(covariant dynamic v, Map<String, dynamic> args)

Implementation

@override
FutureOr<String> formatter(covariant v, Map<String, dynamic> args) {
  var f = IntlMessage.formatters[formatName];
  if (f == null) {
    throw StateError('No formatter with name $formatName defined');
  }
  return _toString(Function.apply(f, [v, ...arguments]));
}