maybeWhen<TResult extends Object?> method
TResult
maybeWhen<TResult extends Object?>(
- TResult $default(
- String assetId,
- @ParamDataMapConverter() Map<
String, ParamData> parameters
- required TResult orElse(),
A variant of when that fallback to an orElse callback.
It is equivalent to doing:
switch (sealedClass) {
case Subclass(:final field):
return ...;
case _:
return orElse();
}
Implementation
@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( String assetId, @ParamDataMapConverter() Map<String, ParamData> parameters)? $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _ParameterUpdate() when $default != null:
return $default(_that.assetId,_that.parameters);case _:
return orElse();
}
}