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Date: Fri, 25 Mar 2022 13:35:01 +0100
Message-ID: <CAC5V6gjYjez68QtD5=H6E0XTuvH-jLY0=Pq3OwowYFH4r-6ofg@mail.gmail.com>
To: Mark Niebergall <mbniebergall@gmail.com>
Cc: php internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary="0000000000009a14c405db0a3122"
Subject: Re: [PHP-DEV] Typed constants revisited
From: guilliam.xavier@gmail.com (Guilliam Xavier)

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Hi Mark,

On Wed, Mar 23, 2022 at 11:55 PM Mark Niebergall <mbniebergall@gmail.com>
wrote:

> (...)
>
> Another example I often see in my projects could be used with a similar
> example:
>
> ```
> abstract class Bird
> {
>     public const bool CAN_FLY;
>     public const string FAMILY;
>     public function canFly(): bool
>     {
>         return self::CAN_FLY;
>     }
> }
> final class EmperorPenguin extends Bird
> {
>     public const bool CAN_FLY = false;
>     public const string FAMILY = 'penguin';
> }
> ```
>

I had this "need" too (and used abstract static methods where the
implementations just return a literal value...).

Just 2 remarks: in abstract class Bird, shouldn't it be:
- "*abstract* public const bool CAN_FLY;" (and same for FAMILY)
- "return *static*::CAN_FLY;"
?

Regards,

-- 
Guilliam Xavier

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