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Date: Wed, 18 Feb 2015 13:57:02 +0100
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To: Rowan Collins <rowan.collins@gmail.com>
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Subject: Re: [PHP-DEV] Scalar Type Hints v0.4
From: linepogl@gmail.com (Lazare Inepologlou)

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2015-02-18 12:45 GMT+01:00 Rowan Collins <rowan.collins@gmail.com>:

> Michael Wallner wrote on 18/02/2015 11:39:
>
>> On 18/02/15 12:31, Rowan Collins wrote:
>>
>>> Michael Wallner wrote on 18/02/2015 11:19:
>>>
>>>> On 17/02/15 23:03, Sara Golemon wrote:
>>>>
>>>>  1) Introduce scalar types for primitives: bool, int, float, string,
>>>>> resource, object (we already have array)
>>>>> 1a) Introduce meta-types as pre-defined unions (we can add custom
>>>>> unions in a later rfc).  A possible list may be as follows (again, we
>>>>> can argue what's in this list separately):
>>>>> * mixed: any type
>>>>> * scalar: (null|bool|int|float|string)
>>>>>
>>>> Hold on, usually, type checking functions don't identify NULL as scala=
r.
>>>>
>>> No need for anyone to hold on; as it says in the section you've quoted
>>> "we can argue what's in this list separately". Sara's after reactions t=
o
>>> the principle of having meta-types/unions in general, not their
>>> definitions, right now.
>>>
>> Did you already incorporate "strict mode" yourself?
>> SCNR
>>
>> I'm not a native speaker, so "hold on" might mean something different to
>> you than to me.
>>
>>
> Sorry, what I meant was, "don't worry, this isn't the kind of issue that
> we need to worry about yet".
>
> Sara's e-mail made clear that these were quick examples, and she wasn't
> expecting feedback on the details at this stage.
>
>

Still, nullable types is something that had been proposed several times in
this list, and fits nicely with the introduction of union-types.

So, yes it would be nice null not to be included in scalars. Instead, we
could have a union type like scalar? =3D scalar|null



Lazare INEPOLOGLOU
Ing=C3=A9nieur Logiciel



> Regards,
> --
> Rowan Collins
> [IMSoP]
>
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