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Date: Thu, 20 May 2021 13:22:22 -0300
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Subject: Re: [PHP-DEV] [RFC] First-class callable syntax
From: luis@softsatsistemas.com.br (Luis Henrique)

On 20/05/2021 12:55, Guilliam Xavier wrote:
> On Thu, May 20, 2021 at 5:12 PM Nikita Popov <nikita.ppv@gmail.com> wrote:
> 
>> On Thu, May 20, 2021 at 4:16 PM Ondřej Mirtes <ondrej@mirtes.cz> wrote:
>>
>>> Hi, I’m confused by the syntax, when I read it, I think to myself “I know
>>> this, this is just a method call… oh wait, it’s actually a callable”. It
>>> really makes my head hurt.
>>>
>>
>> Yes, I can see how that could be confusing. The current syntax is chosen to
>> be a subset of the partial function application proposal. However, I would
>> also be happy with some other syntax that makes it clearer that this is
>> acquiring a callable and not performing a call.
>>
> 
> Hi, several other syntaxes have been proposed to consideration in the PFA
> thread, and I wouldn't want to start new bikeshedding here; is there a
> place that would be more appropriate to gather the possibilities (like a
> kind of updatable list)?
> 
> Thanks,
> 

I am much more into advanced features of PFA, but is this case why not 
just use the & operator for "function reference" like C/C++? It is well 
known and solves the ambiguity with method/function call.

$fn = &$this->myFunc;

$fn = &myFunc;

$fn = &Foo::myFunc;