whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String id,
    2. BankAccountHolderType? accountHolderType,
    3. String? bankName,
    4. String? accountHolderName,
    5. String? country,
    6. String? currency,
    7. String? routingNumber,
    8. BankAccountStatus? status,
    9. String? fingerprint,
    10. String? last4,
    )?
)

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( String id,  BankAccountHolderType? accountHolderType,  String? bankName,  String? accountHolderName,  String? country,  String? currency,  String? routingNumber,  BankAccountStatus? status,  String? fingerprint,  String? last4)?  $default,) {final _that = this;
switch (_that) {
case _BankAccount() when $default != null:
return $default(_that.id,_that.accountHolderType,_that.bankName,_that.accountHolderName,_that.country,_that.currency,_that.routingNumber,_that.status,_that.fingerprint,_that.last4);case _:
  return null;

}
}