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Re: Pre-RFC: syntax for quote-words-arrayref

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"G.W. Haywood" via perl5-porters
June 7, 2022 15:51
Re: Pre-RFC: syntax for quote-words-arrayref
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Hi there,

On Tue, 7 Jun 2022, Felipe Gasper wrote:
>> On Jun 7, 2022, at 10:19, Dave Mitchell <> wrote:
>> On Tue, May 31, 2022 at 08:40:52AM +0100, Neil Bowers wrote:
>>> In early March last year, I proposed[1] new syntax for "quote words arrayref",
>>> so that the following:
>>>     $a = [qw/ a b c /];
>>> could be replaced with:
>>>     $a = qa[ a b c ];
>> My personal feeling is that that it adds complexity for very little gain.
>> If people want an array ref they just wrap the qw() in []'s. It's visually
>> obvious then that an array ref is being created.
>> With qa() you now require programmers to remember another fact. Each
>> little fact on its own isn't a great burden, but perl has accumulated
>> zillions of such factlets, which cummulatively make perl hard to use.
>> Now you will have things like
>>    foo(qw(a b c));
>>    foo(qa(a b c));
>> doing two completely different things, and the programmer may get confused.
>> People already find qw() confusing enough - e.g. whether it parses commas;
>> now they will have to remember whether qa() obeys the same parsing rules
>> as qw(). Etc.
> This remains my own sense, too: the gains in concision this would
> facilitate don’t justify the addition of yet another syntactic
> variant to a language that already maintains an overabundance of
> such.



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