Vibe.d timer - change callback?

[James Blachly]

On Tuesday, 25 August 2020 at 18:42:53 UTC, codic wrote:
> I'd like to be able to change the callback of a vibe.d Timer 
> (eg created with 
> http://vibe-core.dpldocs.info/v1.9.3/vibe.core.core.createTimer.html) after creation, something like:
>
> auto timer = createTimer();
> timer.rearm(duration, /*...*/);
> timer.callback = delegate {
>    // things
> }

Would creating a dynamic redirection function as delegate serve 
your purpose?

https://dlang.org/library/std/functional/to_delegate.html

You can also pass object having `opCall` to `to_delegate` and th 
is could also provide dynamic dispatch.