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Date: Tue, 3 Nov 2020 19:09:34 +0000
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To: Eugene Sidelnyk <zsidelnik@gmail.com>, PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Nullsafe
From: george.banyard@gmail.com ("G. P. B.")

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On Tue, 3 Nov 2020 at 19:08, G. P. B. <george.banyard@gmail.com> wrote:

> On Tue, 3 Nov 2020 at 19:05, Eugene Sidelnyk <zsidelnik@gmail.com> wrote:
>
>> Null value by itself was invented to indicate lack of data.
>> But we can't just use it instead of objects, because of how it works.
>> We need to create a boilerplate of NullObjects.
>> Consider the abstract factory example:
>> https://3v4l.org/9D9LU
>>
>> The problem is not with nullsafe operator. It is basically in null
>> constant. To correctly work with absence of object, NullObjects is required
>> (one for each abstraction).
>>
>> > I don't see why users should return null values more often.
>>
>> They should not return null values! But with nullsafe they will be prone
>> to.
>>
>>
> First of all please bottom post instead of top posting.
>
> Secondly, that's just your philosophy and the null safe operator was
> introduced to
> accommodate this way of thinking.
> However, this does not mean it's better or should be the way it works,
> especially now
> that the null safe operator has already been implemented, and changed
> established
> semantics need a *good* reason.
>
> Regards,
>
> George P. Banyard
>


Just saw that you replied individually, please keep all discussion on list
(i.e. reply all).

Regards,

George P. Banyard

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