Event Loop Demo

[hugetim]

I took a crack at it:

Provide explicit ways to prevent concurrency

On the client-side, Anvil currently treats all functions as coroutines and behaves as if await keywords were present in front of certain lines of code (lines of code which may correspond with the “blocking code” described here, but may be much broader than that). Please add an app-wide option to instead have all functions behave like uninterrupted subroutines (or, in other words, without implicit await keywords in front of server calls and other “blocking code”) and make this the default for ne…