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Re: A complete design for := (bind)

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Elizabeth Mattijsen
August 25, 2009 12:59
Re: A complete design for := (bind)
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At 9:47 PM +0200 8/25/09, Rafael Garcia-Suarez wrote:
>2009/8/23 Aristotle Pagaltzis <>:
>>  * David Golden <> [2009-08-21 13:40]:
>>>  If I had to sum up my view, I want -OReadability. I appreciate
>>>  that you've worked through the semantics for LHS and RHS, but
>>>  I think the syntactic direction is wrong for Perl 5. (E.g. I'd
>>>  like to combat the "line noise" meme, not fuel it.)
>>  Fully agreed.
>>  I feel this is too Perl 6ish.
>>  Perl 6 is non-flattening by default and offers the splat for
>>  explicit flattening; Perl 5 is flattening by default and offers
>>  the reference backslash for explicit preservation. Arguably, this
>>  denies control of various kinds to the user, so explicit
>>  flattening turns out to be a better overall idea.
>>  But it cannot be retroduced to Perl 5 without a significant hit
>>  to the conceptual coherence of the language. Let's not try to mix
>>  the two. It's a good idea to take cues from the conceptual work
>>  in Perl 6, Perl 5 has too much baggage to water it down further
>>  by porting over the semantics along with the concepts. Let's try
>>  to transliterate the Perl 6 concepts into the existing Perl 5
>>  semantics instead.
>I agree too.
>I notice that non-flattening behaviour is marked in Perl 5 by a
>keyword (my, local, our): it would be more visually consistent to use
>a keyword for binding as well, instead of ":()".

Something like Data::Alias's "alias" ?

use Data::Alias qw(alias);

alias my $x= $y;
alias my @array= @{$arrayref};
alias my %hash= %{$hashref};


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