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Postings from August 2013
On 14 August 2013 20:22, Johan Vromans <jvromans@squirrel.nl> wrote:
> Father Chrysostomos <sprout@cpan.org> writes:
>
>> Ricardo Signes wrote:
>>> « $x->@* acts exactly like @$x » is the rule. "Except in interpolation" would
>>> be the exception.
>>
>> So we allow "$x->@*" and "$$x->@*" and "$x->$*->@*".
>>
>> What about the brace forms? How far does the equivalance of "@{...}"
>> and "...->@*" hold?
>>
>> "@{$foo}" --> "$foo->@*"
>> "@{$foo[0]}" --> "$foo[0]->@*"
>> "@{*$foo}" ???
>> "@{$foo->**}" --> "$foo->**->@*"
>> "@{$foo->()}" --> "$foo->()->@*"
>> "@{$foo++}" --> "$foo++->@*"
>> "@{$foo ? bar() : []}" => "$foo ? bar() : []->@*"
>
> Which makes me think, once more, do we actualle *need* postfix
> dereference? Does it provide anything we cannot do already, albeit at
> the cost of an extra pair of braces? In other words: is it worth the
> effort?
I think it complicates an already complex subject without adding that
much benefit.
Yves
--
perl -Mre=debug -e "/just|another|perl|hacker/"
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