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Date: Wed, 29 Aug 2012 20:52:57 +0200
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To: Jared Williams <jared.williams1@ntlworld.com>
Cc: PHP internals <internals@lists.php.net>
Content-Type: text/plain; charset=ISO-8859-1
Subject: Re: [PHP-DEV] [VOTE] Generators
From: nikita.ppv@gmail.com (Nikita Popov)

On Wed, Aug 29, 2012 at 6:21 PM, Jared Williams
<jared.williams1@ntlworld.com> wrote:
>
>
>> -----Original Message-----
>> From: Nikita Popov [mailto:nikita.ppv@gmail.com]
>> Sent: 25 August 2012 17:11
>> To: PHP internals
>> Subject: [PHP-DEV] [VOTE] Generators
>>
>> Hi internals!
>>
>> I think the generators RFC has been discussed thoroughly
>> enough by now, so I opened the vote:
>>
>>     https://wiki.php.net/rfc/generators#vote
>>
>> Thanks,
>> Nikita
>>
>
> Hi,
>         Just discovered another seg fault.
> When iterating over a generator that returns references twice it
> causes a seg fault.
>
> function &bind(array $keys, array &$row)
> {
>         foreach($keys as $key)
>                 yield $key => $row[$key];
> }
>
> $row = [];
> $it = bind(['a', 'b'], $row);
>
> foreach($it as $key => &$ref)
>         echo $key;
> echo "\n";
> foreach($it as $key => &$ref)
>         echo $key;

Thanks, this is now fixed. It'll throw an exception now, saying that
you can't traverse an already closed generator.

Nikita