whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. EventId id,
    2. String packageId,
    3. String transactionModule,
    4. String sender,
    5. String type,
    6. Map<String, dynamic>? parsedJson,
    7. String? bcs,
    )?
)

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( EventId id,  String packageId,  String transactionModule,  String sender,  String type,  Map<String, dynamic>? parsedJson,  String? bcs)?  $default,) {final _that = this;
switch (_that) {
case _SuiEvent() when $default != null:
return $default(_that.id,_that.packageId,_that.transactionModule,_that.sender,_that.type,_that.parsedJson,_that.bcs);case _:
  return null;

}
}