mapOrNull<TResult extends Object?> method
- @optionalTypeArgs
- TResult? listViewBasic(
- UModerationSubjectUserListListViewBasic value
- TResult? listView(
- UModerationSubjectUserListListView value
A variant of map
that fallback to returning null
.
It is equivalent to doing:
switch (sealedClass) {
case final Subclass value:
return ...;
case _:
return null;
}
Implementation
@optionalTypeArgs TResult? mapOrNull<TResult extends Object?>({TResult? Function( UModerationSubjectUserListListViewBasic value)? listViewBasic,TResult? Function( UModerationSubjectUserListListView value)? listView,}){
final _that = this;
switch (_that) {
case UModerationSubjectUserListListViewBasic() when listViewBasic != null:
return listViewBasic(_that);case UModerationSubjectUserListListView() when listView != null:
return listView(_that);case _:
return null;
}
}