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Postings from August 2013
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?
-- Johan
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