Synchronous and Asynchronous callbacks

[Barry Scott]

> On 29 Sep 2019, at 14:14, Eko palypse <ekopalypse at gmail.com> wrote:
> 
> Unfortunately, I can't make all callbacks synchronous or asynchronous because this has negative effects on the application in one way or another.

Surely you can make all callbacks async?
You do not have to have them wait, they can complete their work in one call.

sync == async-that-does-not-await

Barry