whenOrNull<TResult extends Object?> method
TResult?
whenOrNull<TResult extends Object?>(
- TResult? $default(
- PrepareResponseAvailableCompat routeResponse,
- List<
TxnDetailsCompat> route, - AmountCompat localRouteTotal,
- List<
TransactionFeeCompat> bridge, - AmountCompat localBridgeTotal,
- TxnDetailsCompat initial,
- AmountCompat localTotal,
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( PrepareResponseAvailableCompat routeResponse, List<TxnDetailsCompat> route, AmountCompat localRouteTotal, List<TransactionFeeCompat> bridge, AmountCompat localBridgeTotal, TxnDetailsCompat initial, AmountCompat localTotal)? $default,) {final _that = this;
switch (_that) {
case _UiFieldsCompat() when $default != null:
return $default(_that.routeResponse,_that.route,_that.localRouteTotal,_that.bridge,_that.localBridgeTotal,_that.initial,_that.localTotal);case _:
return null;
}
}