whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String id,
    2. String object,
    3. int amount,
    4. int? amountCapturable,
    5. PaymentIntentAmountDetails? amountDetails,
    6. int? amountReceived,
    7. String? application,
    8. int? applicationFeeAmount,
    9. PaymentIntentAutomaticPaymentMethods? automaticPaymentMethods,
    10. int? canceledAt,
    11. PaymentIntentCancellationReason? cancellationReason,
    12. String clientSecret,
    13. PaymentIntentCaptureMethod captureMethod,
    14. PaymentIntentConfirmationMethod confirmationMethod,
    15. int? created,
    16. String currency,
    17. String? customer,
    18. String? description,
    19. String? invoice,
    20. StripeError? lastPaymentError,
    21. String? latestCharge,
    22. bool livemode,
    23. Map<String, dynamic> metadata,
    24. dynamic nextAction,
    25. String? onBehalfOf,
    26. String? paymentMethod,
    27. Map paymentMethodOptions,
    28. List<PaymentMethodType> paymentMethodTypes,
    29. dynamic processing,
    30. String? receiptEmail,
    31. String? review,
    32. PaymentIntentSetupFutureUsage? setupFutureUsage,
    33. ShippingDetails? shipping,
    34. String? statementDescriptor,
    35. String? statementDescriptorSuffix,
    36. PaymentIntentsStatus status,
    37. dynamic transferData,
    38. dynamic transferGroup,
    )?
)

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,  String object,  int amount, @JsonKey(name: "amount_capturable")  int? amountCapturable, @JsonKey(name: "amount_details")  PaymentIntentAmountDetails? amountDetails, @JsonKey(name: "amount_received")  int? amountReceived,  String? application, @JsonKey(name: "application_fee_amount")  int? applicationFeeAmount, @JsonKey(name: "automatic_payment_methods")  PaymentIntentAutomaticPaymentMethods? automaticPaymentMethods, @JsonKey(name: "canceled_at")  int? canceledAt, @JsonKey(name: "cancellation_reason")  PaymentIntentCancellationReason? cancellationReason, @JsonKey(name: "client_secret")  String clientSecret, @JsonKey(name: "capture_method")  PaymentIntentCaptureMethod captureMethod, @JsonKey(name: "confirmation_method")  PaymentIntentConfirmationMethod confirmationMethod,  int? created,  String currency,  String? customer,  String? description,  String? invoice, @JsonKey(name: "last_payment_error")  StripeError? lastPaymentError, @JsonKey(name: "latest_charge")  String? latestCharge,  bool livemode,  Map<String, dynamic> metadata, @JsonKey(name: "next_action")  dynamic nextAction, @JsonKey(name: "on_behalf_of")  String? onBehalfOf, @JsonKey(name: "payment_method")  String? paymentMethod, @JsonKey(name: "payment_method_options")  Map<dynamic, dynamic> paymentMethodOptions, @JsonKey(name: "payment_method_types", unknownEnumValue: PaymentMethodType.unknown)  List<PaymentMethodType> paymentMethodTypes,  dynamic processing, @JsonKey(name: "receipt_email")  String? receiptEmail,  String? review, @JsonKey(name: "setup_future_usage")  PaymentIntentSetupFutureUsage? setupFutureUsage,  ShippingDetails? shipping, @JsonKey(name: "statement_descriptor")  String? statementDescriptor, @JsonKey(name: "statement_descriptor_suffix")  String? statementDescriptorSuffix,  PaymentIntentsStatus status, @JsonKey(name: "transfer_data")  dynamic transferData, @JsonKey(name: "transfer_group")  dynamic transferGroup)?  $default,) {final _that = this;
switch (_that) {
case _PaymentIntent() when $default != null:
return $default(_that.id,_that.object,_that.amount,_that.amountCapturable,_that.amountDetails,_that.amountReceived,_that.application,_that.applicationFeeAmount,_that.automaticPaymentMethods,_that.canceledAt,_that.cancellationReason,_that.clientSecret,_that.captureMethod,_that.confirmationMethod,_that.created,_that.currency,_that.customer,_that.description,_that.invoice,_that.lastPaymentError,_that.latestCharge,_that.livemode,_that.metadata,_that.nextAction,_that.onBehalfOf,_that.paymentMethod,_that.paymentMethodOptions,_that.paymentMethodTypes,_that.processing,_that.receiptEmail,_that.review,_that.setupFutureUsage,_that.shipping,_that.statementDescriptor,_that.statementDescriptorSuffix,_that.status,_that.transferData,_that.transferGroup);case _:
  return null;

}
}