[toolslive]

I have also seen _persistent by default_ where every variable is by default store in a database and automatically initialized when you come back to that piece of code. Useful for web development. (Sorry, forgot the name of the programming language)

[lioeters]

I'd agree that "persistent by default" is an unusual and interesting approach, that would be suitable for the list of paradigms that may "change the way you code".

It reminds me of a statement I read about managing application state, to treat the state (in this case a Redux store) as an "in-memory database". Add a layer to load/persist automatically - via LocalStorage, WebSocket, etc. - and it would be persistent by default. I suppose you wouldn't want everything persistent though, just a relevant slice of state.

Here's an article about "persistent languages", which includes discussion on related features. http://wiki.c2.com/?PersistentLanguage