Re: PL/Perl Does not Like vstrings

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От David E. Wheeler
Тема Re: PL/Perl Does not Like vstrings
Дата
Msg-id 50B66A85-40B8-47C4-AE1D-054F23C46A40@justatheory.com
обсуждение исходный текст
Ответ на Re: PL/Perl Does not Like vstrings  (Andrew Dunstan <andrew@dunslane.net>)
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On Jan 5, 2012, at 9:55 AM, Andrew Dunstan wrote:

> perldoc perlvar says:
> 
>   The revision, version, and subversion of the Perl interpreter,
>   represented as a "version" object.
> 
>   This variable first appeared in perl 5.6.0; earlier versions of perl
>   will see an undefined value. Before perl 5.10.0 $^V was represented
>   as a v-string.
> 
> I'm quite sure David isn't running on something older than 5.10.0.

Perl 5.14.2:
   > perl -E 'say ref $^V'   version

Perl 5.12.4:
   > perl -E 'say ref $^V'   version

Perl 5.10.1:
   > perl -E 'say ref $^V'   version

Perl 5.8.9:
   > perl -le 'print ref $^V'     


Best,

David


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