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 <CAJmy8YGfPSVkyJQ5Yd=UZyecV2_AdNrXXo3PxcjXybSjSDLaEA@mail.gmail.com> <c6f0abc4660b5c18b9abb6b1d27f36c8bd29e325.camel@sandfox.me>
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Date: Sat, 2 Jul 2022 11:18:15 +0200
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To: Anton Smirnov <sandfox@sandfox.me>
Cc: Larry Garfield <larry@garfieldtech.com>, php internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC][Vote] Auto-capture closures
From: divinity76@gmail.com (Hans Henrik Bergan)

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>But do any of them auto-capture by value?

in c++ it's optional if you want to capture-by-value or
capture-by-reference, [&]()->void{...}(); captures everything by reference
and [=]()mutable->void{...}(); captures everything by value

> I think that's still explicit

fair assessment


On Sat, 2 Jul 2022 at 05:02, Anton Smirnov <sandfox@sandfox.me> wrote:

> On Fri, 2022-07-01 at 16:11 +0200, Hans Henrik Bergan wrote:
> > > As far as we are aware, only two languages in widespread use
> > > require variables to be explicitly closed over: PHP and C++. All
> > > other major languages capture implicitly, as is proposed here.
>
> But do any of them auto-capture by value?
>
> > to be fair to c++, it supports [&] to capture everything, like
> > int a=1,b=2,c=3;[&]()->void{std::cout << a << b << c;}();
>
> I think that's still explicit
>
> --
> Anton
>

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