whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String? latitude,
    2. String? longitude,
    3. String? locality,
    4. String? name,
    5. String? placeID,
    6. String? formattedAddress,
    )?
)

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(@JsonKey(name: 'latitude')  String? latitude, @JsonKey(name: 'longitude')  String? longitude, @JsonKey(name: 'locality')  String? locality, @JsonKey(name: 'name')  String? name, @JsonKey(name: 'placeID')  String? placeID, @JsonKey(name: 'formattedAddress')  String? formattedAddress)?  $default,) {final _that = this;
switch (_that) {
case _Address() when $default != null:
return $default(_that.latitude,_that.longitude,_that.locality,_that.name,_that.placeID,_that.formattedAddress);case _:
  return null;

}
}