I don't know Arc, but it seems you're referring to 'continuation based web frameworks'? They have been around since the dawn of the web. Here's criticism from 2

I don't know Arc, but it seems you're referring to 'continuation based web frameworks'? They have been around since the dawn of the web. Here's criticism from 2006: http://www.interact-sw.co.uk/iangblog/2006/05/21/webcontinuations http://www.interact-sw.co.uk/iangblog/2006/05/21/webcontinua... Truth be told, the criticism is a bit unfair (you can solve the problems)