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Date: Mon, 19 Jun 2023 11:47:49 +0200
Message-ID: <CAJpLVh25xW+x=-MtLXzj-oyMCpv16a4a0wBctuP6Q15WPkXRRg@mail.gmail.com>
To: Sam McDonald <s.mcdonald@outlook.com.au>
Cc: "internals@lists.php.net" <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Request to create a RFC for const args
From: olleharstedt@gmail.com (=?UTF-8?Q?Olle_H=C3=A4rstedt?=)

2023-06-19 9:56 GMT+02:00, Sam McDonald <s.mcdonald@outlook.com.au>:
> Hello php internals team,
> I would like to put forward an RFC for a new feature. I am a long time user,
> but have never participated as yet to the RFC.
>
> This is my first step to gather reaction/feedback from the team.
>
> I would be happy to implement the feature and post a PR or have someone from
> the team implement this.
>
> The feature I want to put forward is "const function arguments" (same for
> methods)
>
> This feature is available in cpp, and I believe would be a benefit to the
> php community.
>
> My RFC would fully detail and clarify what this is and how it works.
>
> This feature allows the user to specify "const" on a function arg, so that
> the argument while in a function can not be reassigned.
>
> The following example would throw an exception at compile/runtime.
>
> ```
> public function foo(const int $bar)
> {
>    $bar =3D "buz";
> }
> ```

Isn't this similar to my own idea of readonly function arguments?
https://externals.io/message/120203#120210

Perhaps more limited in scope?

Olle