[Development] A modest proposal: disable lower-case keywords (emit, foreach, forever, signals, slots) by default

[Ville Voutilainen]

On Mon, 24 Feb 2020 at 14:35, Mitch Curtis <mitch.curtis at qt.io> wrote:
> > > > > Signals have different semantics than regular functions.
> > > >
> > > > In what way?
> > >
> > > They typically call back into "upper layers", which is worth considering on
> > the calling side, e.g. due to the danger of inconsistent state getting accessed
> > if you don't emit the signal at the end of a function, to name just one tyical
> > pitfall.
> > > I, for one, definitely want to see whether I am emitting a signal or not.
> >
> > Right; the claims that you can ignore signal emits when looking at a piece of
> > code or expect that they don't affect the current scope are exactly
> > backwards.
> >
> > A signal emitted yields to a coroutine scheduler that runs arbitrary callbacks,
> > which in case of direct connections absolutely can affect the current scope.
> >
> > Thanks, Christian - that's the first ever plausible explanation for marking a
> > signal emission.
>
> Personally I find it a bit concerning that you don't consider readability or maintainability a plausible explanation for annotating code with emit.

I find it rather more concerning that you make such a claim, when in
the quoted bit I do consider readability and maintainability
such plausible explanations. Perhaps that's because I don't consider
vague claims of readability and maintainability plausible,
but I do consider readability and maintainability with an actual
reason plausible, and
typically-calling-up-into-arbitrary-code-that-can-and-does-call-back-to-us
is such a reason.

>Though I can rest easy with the knowledge that you're not the sole authority for what constitutes a plausible explanation, despite how you worded it.

Well, for what constitutes a plausible explanation to me, I actually
am the sole authority.

> I can only assume that that same mindset must also encapsulate all of the developers who never wrote any comments for their code because... it made sense to them and that's all matters.

Did you plan to set that strawman on fire, or are you just playing with it?