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Re^2: undef-safe equality (shorter)

by Roy Johnson (Monsignor)
on Apr 21, 2005 at 22:11 UTC ( #450216=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub iseq {
      (!defined $_[0] || $_[0].9) eq (!defined $_[1] || $_[1].9);
    }
    
  2. or download this
      1 == keys %{{map {(!defined()||$_.9)=>1} @_}};
    

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