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From: Kaz Kylheku <643-408-1753@kylheku.com>
Newsgroups: comp.lang.c
Subject: Re: Recursion, Yo
Date: Thu, 11 Apr 2024 15:04:24 -0000 (UTC)
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On 2024-04-11, Scott Lurndal <scott@slp53.sl.home> wrote:
> David Brown <david.brown@hesbynett.no> writes:
>>On 11/04/2024 02:18, Lawrence D'Oliveiro wrote:
>>> On Wed, 10 Apr 2024 16:46:43 +0200, David Brown wrote:
>>> 
>>>> Just for your entertainment, with C++ lambdas this is now legal code:
>>>>
>>>> void foo(void) {
>>>> 	[](){}();
>>>> }
>>> 
>>> C programmer still has habit of writing “(void)” when C++ allows “()”
>>> instead.
>>
>>I do that sometimes, yes.  I could argue that I think it is better to be 
>>explicit than implicit, but it's just my fingers on automatic. 
>
> I would use the same argument.   Make it explicit.

(void) is a dongle intoduced in ANSI C so that () could continue
to mean "unknown number of parameters". It didn't exist in C++
until ANSI C invented it.

() is a perfectly explicit empty list. (void) does not look empty;
it looks like it's declaring one parameter of type void.

An actual implicit empty parameter list might look like this:

  function foo
  {
  }

Once you have empty parentheses, that is explicit.

Countless programming languages have only (); no such thing as (void) or
similar ugly hack, due to not having a quirky history that would have
caused such a thing to be required.

-- 
TXR Programming Language: http://nongnu.org/txr
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