whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String id,
    2. String name,
    3. String? disambiguation,
    4. List<String> urls,
    5. String? gender,
    6. String? birthdate,
    7. String? ethnicity,
    8. String? country,
    9. String? eyeColor,
    10. int? heightCm,
    11. String? measurements,
    12. String? fakeTits,
    13. double? penisLength,
    14. String? circumcised,
    15. String? careerStart,
    16. String? careerEnd,
    17. String? tattoos,
    18. String? piercings,
    19. List<String> aliasList,
    20. bool favorite,
    21. String? imagePath,
    22. int sceneCount,
    23. int imageCount,
    24. int galleryCount,
    25. int groupCount,
    26. int? rating100,
    27. String? details,
    28. String? deathDate,
    29. String? hairColor,
    30. int? weight,
    31. List<String> tagIds,
    32. List<String> tagNames,
    )?
)

A variant of when that fallback to returning null

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return null;
}

Implementation

@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( String id,  String name,  String? disambiguation,  List<String> urls,  String? gender,  String? birthdate,  String? ethnicity,  String? country, @JsonKey(name: 'eye_color')  String? eyeColor, @JsonKey(name: 'height_cm')  int? heightCm,  String? measurements, @JsonKey(name: 'fake_tits')  String? fakeTits, @JsonKey(name: 'penis_length')  double? penisLength,  String? circumcised, @JsonKey(name: 'career_start')  String? careerStart, @JsonKey(name: 'career_end')  String? careerEnd,  String? tattoos,  String? piercings, @JsonKey(name: 'alias_list')  List<String> aliasList,  bool favorite, @JsonKey(name: 'image_path')  String? imagePath, @JsonKey(name: 'scene_count')  int sceneCount, @JsonKey(name: 'image_count')  int imageCount, @JsonKey(name: 'gallery_count')  int galleryCount, @JsonKey(name: 'group_count')  int groupCount,  int? rating100,  String? details, @JsonKey(name: 'death_date')  String? deathDate, @JsonKey(name: 'hair_color')  String? hairColor,  int? weight, @JsonKey(name: 'tag_ids')  List<String> tagIds, @JsonKey(name: 'tag_names')  List<String> tagNames)?  $default,) {final _that = this;
switch (_that) {
case _Performer() when $default != null:
return $default(_that.id,_that.name,_that.disambiguation,_that.urls,_that.gender,_that.birthdate,_that.ethnicity,_that.country,_that.eyeColor,_that.heightCm,_that.measurements,_that.fakeTits,_that.penisLength,_that.circumcised,_that.careerStart,_that.careerEnd,_that.tattoos,_that.piercings,_that.aliasList,_that.favorite,_that.imagePath,_that.sceneCount,_that.imageCount,_that.galleryCount,_that.groupCount,_that.rating100,_that.details,_that.deathDate,_that.hairColor,_that.weight,_that.tagIds,_that.tagNames);case _:
  return null;

}
}