maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. String orchestrationId,
    2. TransactionCompat initialTransaction,
    3. List<TransactionCompat> transactions,
    4. MetadataCompat metadata,
    )?, {
  2. 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( String orchestrationId,  TransactionCompat initialTransaction,  List<TransactionCompat> transactions,  MetadataCompat metadata)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _PrepareResponseAvailableCompat() when $default != null:
return $default(_that.orchestrationId,_that.initialTransaction,_that.transactions,_that.metadata);case _:
  return orElse();

}
}