whenOrNull<TResult extends Object?> method
- @optionalTypeArgs
- TResult? $default(
- String did,
- Map<
String, LabelPreference> labels
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( String did, Map<String, LabelPreference> labels)? $default,) {final _that = this;
switch (_that) {
case _ModerationPrefsLabeler() when $default != null:
return $default(_that.did,_that.labels);case _:
return null;
}
}