Re: [RFC][DISCUSSION] Object type hint, now with added variance
| From: | Dan Ackroyd | Date: | Thu, 24 Nov 2016 08:58:08 +0000 |
| Subject: | Re: [RFC][DISCUSSION] Object type hint, now with added variance | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-97154@lists.php.net to get a copy of this message | ||
Hi Levi,
On 23 November 2016 at 01:25, Levi Morrison <levim@php.net> wrote:
>
> it assumes that all types that are not statically known to the engine are
> objects. This is a restrictive future compatibility concern.
Any RFC and/or patch can only deal with PHP as it currently is.
> Giving up these options for the sake of object
> variance is definitely not prudent in my opinion.
We would not necessarily be giving them up. We are just adding a small
amount of complexity that would need to be handled by future RFCs.
Which is true of all RFCs.
> For instance enumerations (or enums) are one possible type I can see us
> adding that may not be objects.
I very much look forward to the RFC for enums, and have for some time.
When are you thinking of submitting it for discussion and voting?
cheers
Dan
Ack