when<TResult extends Object?> method
TResult
when<TResult extends Object?>()
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 originalText, String translatedText, String originalLanguageCode, String translatedLanguageCode, bool isApproved, DateTime createdAt, DateTime updatedAt) $default,) {final _that = this;
switch (_that) {
case _TranslationResponse():
return $default(_that.originalText,_that.translatedText,_that.originalLanguageCode,_that.translatedLanguageCode,_that.isApproved,_that.createdAt,_that.updatedAt);case _:
throw StateError('Unexpected subclass');
}
}