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Re: lvalue subs return undef, playing with experimental features, the End of the World, etc

by tadman (Prior)
on May 07, 2002 at 06:08 UTC ( [id://164539]=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub assign_to_hash : lvalue
{
     exists($hash{$_[0]})? $hash{$_[0]} : undef;
}
  2. or download this
    sub assign_to_hash : lvalue
{
     exists($hash{$_[0]})? $hash{$_[0]} : $hash{$_[0]} = undef;
}

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