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

Mitch Curtis mitch.curtis at qt.io
Fri Feb 21 14:00:31 CET 2020


> -----Original Message-----
> From: Eike Ziller <Eike.Ziller at qt.io>
> Sent: Friday, 21 February 2020 1:55 PM
> To: Mitch Curtis <mitch.curtis at qt.io>
> Cc: Ville Voutilainen <ville.voutilainen at gmail.com>; Alex Blasche
> <alexander.blasche at qt.io>; development at qt-project.org
> Subject: Re: [Development] A modest proposal: disable lower-case
> keywords (emit, foreach, forever, signals, slots) by default
> 
> 
> 
> > On 21. Feb 2020, at 13:30, Mitch Curtis <mitch.curtis at qt.io> wrote:
> > How can you tell if it's a signal being emitted or just a function call without
> the emit syntax? With the emit syntax before the signal emission, it's
> immediately obvious that it's a signal.
> 
> It isn’t because you can put “emit” anywhere in your code because it has no
> semantics for the compiler.

There are lots of nonsensical things you can do with the language. I'm thinking in the context of people who are trying to make their code easy to read, not prove a point.

> It’s not beter than any code comment that you could also put there, like
> 
> /*emit*/ something();
> 
> or
> 
> something(); // emit
> 
> > Not all signals follow the *Changed() naming convention, nor should they,
> so it becomes even less obvious in those cases.
> >
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> 
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