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Re^3: [OT] Perl and data types (use Config;)

by wade (Pilgrim)
on Jul 17, 2008 at 21:42 UTC ( #698451=note: print w/replies, xml ) Need Help??


in reply to Re^2: [OT] Perl and data types (use Config;)
in thread Perl and data types (use Config;)

So, um, what was the original question?

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Wade
  • Comment on Re^3: [OT] Perl and data types (use Config;)

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[Corion]: You'll have to look somewhere esoteric for that. Maybe some tied variable or special dualvar can also trigger that. But it's certainly not a common occurrence
[Corion]: And on 5.20, the following also outputs no find:perl -wle 'for my $x ("\x{2000}".."\ x{1fffff}") { if( $x && ! length $x ) { warn qq(<$x>); warn length $x; die } }'
[Corion]: (this time on Unix)
[hippo]: Understood. I'll have to go through the code and see if it's doing anything fancy with ties, dual-vars or non-scalars. In the end, it's probably a bug though.
[Corion]: Aaah - you should be able to do this with overload, but I would hit somebody really hard if they constructed objects that are true but the empty string, and you not knowing about the domain knowledge where this makes sense

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