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From: bart <bc@freeuk.com>
Newsgroups: comp.lang.c
Subject: Re: Which code style do you prefer the most?
Date: Sun, 2 Mar 2025 11:31:48 +0000
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On 02/03/2025 01:24, Keith Thompson wrote:
> Janis Papanagnou <janis_papanagnou+ng@hotmail.com> writes:
>> On 01.03.2025 23:20, Lawrence D'Oliveiro wrote:
>>> On Sat, 1 Mar 2025 21:32:59 +0100, Janis Papanagnou wrote:
>>>> My guess is that this form is just an informal syntax mimicking Perl's
>>>> function parameter passing ...
>>>
>>> The idea of passing arguments by keyword predates Perl.
>>
>> That wouldn't surprise me. - I know it from Perl. - Which other
>> (earlier) languages do you have in mind? - What's its origin?
> 
> For example, it exists in Ada since 1983.  The following are all
> equivalent, given that Foo takes integer arguments Arg1 and Arg2:
> 
>      Foo(Arg1 => 10, Arg2 => 20);
>      Foo(Arg2 => 20, Arg1 => 10);
>      Foo(10, Arg2 => 20);
>      Foo(10, 20);
> 
> The syntax is IMHO much nicer than using /*...*/ comments in C.

Does it have optional arguments with default values? IMO keyword 
arguments are much less useful without that feature/