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Message-ID: <877e9a17050822231876308b57@mail.gmail.com>
Date: Tue, 23 Aug 2005 02:18:27 -0400
To: Stanislav Malyshev <stas@zend.com>
Cc: Marcus Boerger <helly@php.net>, internals@lists.php.net
In-Reply-To: <Pine.LNX.4.62.0508222107200.13397@shire.zend.office>
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References: <42FCE0E4.604@lerdorf.com> <4309DC9B.8020904@peda.net>
	<19310545471.20050822200017@marcus-boerger.de>
	<Pine.LNX.4.62.0508222107200.13397@shire.zend.office>
Subject: Re: [PHP-DEV] Re: PHP 6.0 Wishlist
From: michael.walter@gmail.com (Michael Walter)

On 8/22/05, Stanislav Malyshev <stas@zend.com> wrote:
> MB>>> * Anonymous functions. The real stuff, not just some odd string
> MB>>> passed to create_function().
> MB>>
> MB>>There were some others already asking for this, maybe we should at le=
ast
> MB>>give it a thought if it is doable at all, anybody?
>=20
> Just out of curiosity, what's bad in create_function and how "real" ones
> should be different?

"Real" anonymous functions (as in, closures) should be able to capture
variables from its lexical environment, e.g.:

  function adder($a) {return function($b) {return $a+$b;}}
  function index($i) {return function($a) {return $a[$i];}}

I'm sure you can think of useful examples.

Cheers,
Michael