You do not reuse log file output to propagate state changes.
If you do I would like to know for what purpose...

In my world the ultimate goal of log file output is human consumption with or 
without aggregation or alert filtering.

It has nothing to do with your system internal state. It's merely a reflection
of what changed at best.

Luc P.


> 2014-07-11 14:19 GMT+02:00 Softaddicts <lprefonta...@softaddicts.ca>:
> 
> > I look at side effects this way, will it ever record some state change
> > that some
> > code in the universe will eventually rely on ?
> >
> > If no, then there's no state change/side effect to care about.
> >
> > Sending a message is a side effect (a pgm will eventually use it), writing
> > to
> > a database, ... qualify.
> >
> 
> ​Then writing to a log file should qualify also. And as I understand it, it
> does not.
> 
> -- 
> Cecil Westerhof
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