maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>({
  1. TResult embedImages(
    1. EmbedImages data
    )?,
  2. TResult embedVideo(
    1. EmbedVideo data
    )?,
  3. TResult embedExternal(
    1. EmbedExternal data
    )?,
  4. TResult unknown(
    1. Map<String, dynamic> data
    )?,
  5. required TResult orElse(),
})

A variant of when that fallback to an orElse callback.

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult maybeWhen<TResult extends Object?>({TResult Function( EmbedImages data)?  embedImages,TResult Function( EmbedVideo data)?  embedVideo,TResult Function( EmbedExternal data)?  embedExternal,TResult Function( Map<String, dynamic> data)?  unknown,required TResult orElse(),}) {final _that = this;
switch (_that) {
case UEmbedRecordWithMediaMediaEmbedImages() when embedImages != null:
return embedImages(_that.data);case UEmbedRecordWithMediaMediaEmbedVideo() when embedVideo != null:
return embedVideo(_that.data);case UEmbedRecordWithMediaMediaEmbedExternal() when embedExternal != null:
return embedExternal(_that.data);case UEmbedRecordWithMediaMediaUnknown() when unknown != null:
return unknown(_that.data);case _:
  return orElse();

}
}