when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. String country,
    2. String currency,
    3. String? routingNumber,
    4. String accountNumber,
    5. String? accountHolderName,
    6. BankAccountHolderType? accountHolderType,
    7. String? accountType,
    )
)

A switch-like method, using callbacks.

As opposed to map, this offers destructuring. It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case Subclass2(:final field2):
    return ...;
}

Implementation

@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( String country,  String currency, @JsonKey(name: "routing_number")  String? routingNumber, @JsonKey(name: "account_number")  String accountNumber, @JsonKey(name: "account_holder_name")  String? accountHolderName, @JsonKey(name: "account_holder_type")  BankAccountHolderType? accountHolderType, @JsonKey(name: "account_type")  String? accountType)  $default,) {final _that = this;
switch (_that) {
case _CreateTokenBankAccountData():
return $default(_that.country,_that.currency,_that.routingNumber,_that.accountNumber,_that.accountHolderName,_that.accountHolderType,_that.accountType);case _:
  throw StateError('Unexpected subclass');

}
}