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Postings from September 2002
Re: Regex query
From:
matt diephouse
Date:
September 20, 2002 13:54
Subject:
Re: Regex query
Message ID:
3D8B8B7C.8000003@diephouse.com
John Williams wrote:
>On Fri, 20 Sep 2002, Larry Wall wrote:
>
>
>>On Fri, 20 Sep 2002, John Williams wrote:
>>: On Fri, 20 Sep 2002, Larry Wall wrote:
>>: >
>>: > Yes, in fact any list forced into scalar context will make a ref in Perl 6:
>>: >
>>: > $arrayref = (1,2,3);
>>:
>>: That would seem to obviate the need for brackets to define array
>>: references. Is there any case where [1,2,3] would be needed instead of
>>: (1,2,3)?
>>
>>Sure, in a list context. [1,2,3] is really short for scalar(1,2,3).
>>
>>
>
>I was just thinking that $((1,2,3)) is also the same as [1,2,3],
>and shorter than scalar(1,2,3).
>
I wonder if you can't just use $(1, 2, 3) to the same effect. Also, I
wonder if you can do this:
my @LoL = ( ("1a", "2a"),
("1b", "2b"),
("1c", "2c") );
If you can, the only case where I could see [1, 2, 3] being necessary is
in a sub call where the parameters are wrapped in parentheses.
md |- matt diephouse