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Date: Sun, 1 Aug 2021 22:13:28 +0300
Message-ID: <CAFE+XXNb8L7NZQ9f_9xFp_gwxeH7aQMORzW+eToD0NuConfotg@mail.gmail.com>
To: Rowan Tommins <rowan.collins@gmail.com>
Cc: Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] RFC: autoconst
From: free.smilesrg@gmail.com (Serhii Smirnov)

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Thank you! Seems like Enum covers this case.

=D0=B2=D1=81, 1 =D0=B0=D0=B2=D0=B3. 2021 =D0=B3., 21:58 Rowan Tommins <rowa=
n.collins@gmail.com>:

> On 01/08/2021 16:59, Serhii Smirnov wrote:
> > class Features
> > {
> >     const FEATURE_FLAG_WITH_SOME_LONG_NAME =3D
> > 'feature_flag_with_some_long_name';
> >     const FEATURE_SOME_ANOTHER_COOL_FEATURE =3D
> > 'feature_some_another_cool_feature';
> > }
>
>
> That looks like it falls into my first category: the actual value of the
> constant doesn't matter, you just need to be able to compare against it
> later.
>
> That makes it a perfect use case for PHP 8.1's new "enum" type, where
> you'll be able to declare this:
>
> enum Feature
> {
>       case FEATURE_FLAG_WITH_SOME_LONG_NAME;
>       case FEATURE_SOME_ANOTHER_COOL_FEATURE;
> }
>
> You can then even define the "isEnabled" function so that it only
> accepts Feature values, not strings (i.e. "public function
> isEnabled(Feature $feature): bool { ... }" instead of "public function
> isEnabled(string $feature): bool { ... }").
>
> If you're not familiar with the new enums, the best documentation at the
> moment is probably the RFC which proposed them:
> https://wiki.php.net/rfc/enumerations
>
> I'm really looking forward to using them :)
>
>
> Regards,
>
> --
> Rowan Tommins
> [IMSoP]
>
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>

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