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Postings from January 2012
On Jan 4, 2012 3:08 PM, "Eric Brine" <ikegami@adaelis.com> wrote:
>
> On Wed, Jan 4, 2012 at 8:04 AM, Robert Colvin <perlbug-followup@perl.org>
wrote:
>>
>> When testing the existence of a subkey in a hash, autovivification will
create the top level key(s) which means subsequent tests against the top
level key(s)
>> will give the incorrect result.
>
>
> The operand of C<< exists $list{E}{sub} >> is evaluated before C<< exists
>> is called, so the dereference vivifies C<< $list{E} >> before C<< exists
>> is called.
>
>
> On Wed, Jan 4, 2012 at 11:47 AM, Zefram <zefram@fysh.org> wrote:
>>
>> It's too late to change the default Perl behaviour in this regard.
>
>
> It seems to be this is a major complaint among Perl's users. Do we want
to fix this under C<< use 5.xxx; >>?
Absolutely!
>
> - Eric
>
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