Yes given/when was added at perl 5.10 (2007) as the Perl6 style "alternative" to the Switch source filter kludge. Switch usage was deprecated and will now be r

Yes given/when was added at perl 5.10 (2007) as the Perl6 style "alternative" to the Switch source filter kludge. Switch usage was deprecated and will now be removed from core with perl 5.13/5.14.