FireSourcery

> Sound like what you want is to extract the type variable from an `AppSetting` object. > > There is no way to do that without the cooperation of the...

Combined mixins would address this issue as well.. The current work around for effectively extending an Enum type is either, extension methods on an Enum subtype, or `abstract mixin class...

I've also found this to be quite a common pattern. Here's a potential solution. Would be nice to have as part of a main library somewhere. ```dart extension CallOnNullAsNull on...