Re: Re: Improving PHP's type system
| From: | Ryan Pallas | Date: | Sun, 17 Apr 2016 00:06:30 +0000 |
| Subject: | Re: Re: Improving PHP's type system | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-92372@lists.php.net to get a copy of this message | ||
On Sat, Apr 16, 2016 at 4:10 AM, Bastian Schneider <
bastian.schneider@commerce-plus.com> wrote:
>
> Just a quick thought. I would prefer something like
>
> union Iterable {
> use array;
> use ArrayAccess;
> use Traversable;
> }
>
> function bla(Iterable $iterable) {
> foreach($iterable as $element) {}
> }
>
> Primitives like string, float, bool or int are not allowed in union. Only
> classes, interfaces and array. I doesn't see any benefit in combining
> string with int or int with float in one union.
>
Here's an example that shows combining scalar maybe useful:
union Numeric {
use int;
use float;
}
Something I would very much like to use where types are allowed.
>
> Do I overlook or missed anything?
>
>
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