maybeMap<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeMap<TResult extends Object?>({
  1. TResult imageDetails(
    1. UBlobViewDetailsImageDetails value
    )?,
  2. TResult videoDetails(
    1. UBlobViewDetailsVideoDetails value
    )?,
  3. TResult unknown(
    1. UBlobViewDetailsUnknown value
    )?,
  4. required TResult orElse(),
})

A variant of map that fallback to returning orElse.

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult maybeMap<TResult extends Object?>({TResult Function( UBlobViewDetailsImageDetails value)?  imageDetails,TResult Function( UBlobViewDetailsVideoDetails value)?  videoDetails,TResult Function( UBlobViewDetailsUnknown value)?  unknown,required TResult orElse(),}){
final _that = this;
switch (_that) {
case UBlobViewDetailsImageDetails() when imageDetails != null:
return imageDetails(_that);case UBlobViewDetailsVideoDetails() when videoDetails != null:
return videoDetails(_that);case UBlobViewDetailsUnknown() when unknown != null:
return unknown(_that);case _:
  return orElse();

}
}