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Re^2: undef-safe equality

by tall_man (Parson)
on Apr 21, 2005 at 15:46 UTC ( [id://450174]=note: print w/replies, xml ) Need Help??

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in reply to Re: undef-safe equality
in thread undef-safe equality

Your second return should be:
return !defined $l && !defined $r;

Otherwise, two undefs will compare unequal.

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