when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. TransactionId id,
    2. TransactionId? prevTransactionId,
    3. DateTime createdAt,
    4. bool aborted,
    5. int? exitCode,
    6. int? resultCode,
    7. AccountStatus origStatus,
    8. AccountStatus endStatus,
    9. BigInt totalFees,
    10. Message inMessage,
    11. List<Message> outMessages,
    12. String? boc,
    )
)

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( TransactionId id,  TransactionId? prevTransactionId, @dateSecondsSinceEpochJsonConverter  DateTime createdAt,  bool aborted, @JsonKey(includeIfNull: false)  int? exitCode, @JsonKey(includeIfNull: false)  int? resultCode,  AccountStatus origStatus,  AccountStatus endStatus,  BigInt totalFees,  Message inMessage,  List<Message> outMessages,  String? boc)  $default,) {final _that = this;
switch (_that) {
case _Transaction():
return $default(_that.id,_that.prevTransactionId,_that.createdAt,_that.aborted,_that.exitCode,_that.resultCode,_that.origStatus,_that.endStatus,_that.totalFees,_that.inMessage,_that.outMessages,_that.boc);}
}