when<TResult extends Object?> method
- @optionalTypeArgs
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( EventId id, String packageId, String transactionModule, String sender, String type, Map<String, dynamic>? parsedJson, String? bcs) $default,) {final _that = this;
switch (_that) {
case _SuiEvent():
return $default(_that.id,_that.packageId,_that.transactionModule,_that.sender,_that.type,_that.parsedJson,_that.bcs);case _:
throw StateError('Unexpected subclass');
}
}