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Re: Identifying if a variable is the product of a qr//

by demerphq (Chancellor)
on Apr 25, 2002 at 14:04 UTC ( #161954=note: print w/ replies, xml ) Need Help??


in reply to Identifying if a variable is the product of a qr//

I got an interesting response about this subject from Rafael Garcia-Suarez about this, he said it was ok to post it so here goes...

    You can mess with the internals : something like
    use B qw/class svref_2object/; sub is_a_precompiled_regexp { my $r = shift; return 0 unless ref $r; my $o = svref_2object $r; return (class($o) eq "PVMG") && ($o->MAGIC->TYPE eq 'r') ? 1 : 0; }
    Without looking at the internals, I don't have an answer.
Thanks Rafael!

Yves / DeMerphq
---
Writing a good benchmark isnt as easy as it might look.


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