when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. String $type,
    2. String identifier,
    3. LabelValueDefinitionSeverity severity,
    4. LabelValueDefinitionBlurs blurs,
    5. LabelValueDefinitionDefaultSetting? defaultSetting,
    6. bool? adultOnly,
    7. List<LabelValueDefinitionStrings> locales,
    8. Map<String, dynamic>? $unknown,
    )
)

A switch-like method, using callbacks.

As opposed to map, this offers destructuring. It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case Subclass2(:final field2):
    return ...;
}

Implementation

@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( String $type,  String identifier, @LabelValueDefinitionSeverityConverter()  LabelValueDefinitionSeverity severity, @LabelValueDefinitionBlursConverter()  LabelValueDefinitionBlurs blurs, @LabelValueDefinitionDefaultSettingConverter()  LabelValueDefinitionDefaultSetting? defaultSetting,  bool? adultOnly, @LabelValueDefinitionStringsConverter()  List<LabelValueDefinitionStrings> locales,  Map<String, dynamic>? $unknown)  $default,) {final _that = this;
switch (_that) {
case _LabelValueDefinition():
return $default(_that.$type,_that.identifier,_that.severity,_that.blurs,_that.defaultSetting,_that.adultOnly,_that.locales,_that.$unknown);case _:
  throw StateError('Unexpected subclass');

}
}