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Date: Wed, 15 Jan 2014 21:07:11 +0100
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To: Lazare Inepologlou <linepogl@gmail.com>
Cc: Philip Sturgeon <pjsturgeon@gmail.com>, 
	"internals@lists.php.net" <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Introducing "Array Of" RFC
From: nikita.ppv@gmail.com (Nikita Popov)

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On Wed, Jan 15, 2014 at 8:49 PM, Lazare Inepologlou <linepogl@gmail.com>wrote:

> 2014/1/15 Philip Sturgeon <pjsturgeon@gmail.com>
>
> > Hey,
> >
> > This is my first RFC so give me a little leeway if I get things wrong.
> >
> > https://wiki.php.net/rfc/arrayof
> >
> > The implementation has been written by Joe Watkins, and I will be
> > handling the RFC process for him.
> >
> > It is aimed at PHP 5.6, and so far the release managers seem to be ok
> > with the idea of this potentially being merged after the alpha
> > release, so this should not be considered an issue.
> >
> > Everything is open for discussion, especially the current error
> > messages. They are not perfect, so let us know if you have better
> > ideas.
> >
> >
> Hello,
>
> this is a nice proposal.
>
> I hope that it is not limited to arrays only... All tranversables should be
> acceptable (as they are acceptable for variadiac functions). Otherwise this
> will lead to unnecessary (and costly) convertions.
>

An array is not just traversable - it is also array accessible and
countable, as well as passable-to-array-functions. Allowing to pass
Traversables to an array typehint violates the type constraint.

Nikita

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