Sorry, not callback hell (that's what JS had before async/await) but certainly not code that linearly handles a connection from start to end, either. (Threaded

Sorry, not callback hell (that's what JS had before async/await) but certainly not code that linearly handles a connection from start to end, either. (Threaded code is certainly "linear" but I meant from the perspective of walking through the lifetime of a connection, one connection at a time linearly.)