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Thread-Topic: [PHP-DEV] [RFC Discussion] Typed Properties
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Subject: Re: [PHP-DEV] [RFC Discussion] Typed Properties
From: zeev@zend.com (Zeev Suraski)


> On 31 =E1=EE=F8=F5 2016, at 20:48, "guilhermeblanco@gmail.com" <guilherme=
blanco@gmail.com> wrote:
>=20
> To me it's simply as that:
>=20
>=20
> class_statement:
>        variable_modifiers optional_type property_list ';' { $$ =3D $2;
> $$->attr =3D $1 }
>    |   ...
>=20
> property_list:
>        property_list ',' property { $$ =3D zend_ast_list_add($1, $3); }
>    |   property { $$ =3D zend_ast_create_list(1, ZEND_AST_PROP_DECL, $1);=
 }
> ;
>=20
>=20
> I think this makes the concept more palatable compared to others and othe=
r
> languages (single type declaration per statement).
>=20

Exactly (code version).

>> Honestly I never even realized that you could put multiple declarations =
on
>> a single line, have never done so, and would reject code from any of my
>> projects that did so as poor style. :-)  That said, since it is legal I
>> agree that it should be kept unambiguous and consistent.
>>=20
>> From what Zeev is saying, the following seems like a reasonable rule: Yo=
u
>> get ONE visibility modifier and ONE type statement per declaration, and
>> both must come at the beginning, period.  That is, the following are leg=
al:
>>=20
>> public int $a, $b;
>> protected $a, $b;
>> var int $a, $b;
>>=20
>> And always apply across the entire line, period.
>>=20
>> The following are all syntax errors:
>>=20
>> public int $a, string $b;
>> var int $a, protected $b;
>> private $a, float $b;
>>=20
>> That seems fairly easy for a reader to follow, reasonably consistent, an=
d
>> I presume straightforward to implement (not being a C developer I hand-w=
ave
>> that part...).  If you want to do something more complex... make it
>> multiple statements.  That's why multiple statements exist.
>>=20
>> Zeev, is that an accurate summary of what you're arguing?
>>=20

Exactly (human version :)

Zeev