> > To distinguish between the two status, I use operator bool.
>
> I don't see that in the "status and error handling" section. Would I
> do "if (! status) { <error stuff> }"? That doesn't seem quite
> intuitive. I think a method with a descriptive name would be better
> here.
Sorry, that was misleading. Statuses don't provide an operator bool.
They could, however, to distinguish them from errors.
> > if (auto data = msg.data())
> > f(*data)
> > else
> > g(*msg.status())
>
> For this I think I prefer the boolean version: "if (msg) { <use
> msg.data() })".
Okay, I'll switch that over. I prefer the other way, though :-).
Matthias
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