in reply to Re: undefined value as an ARRAY reference: Using Tie with IPC::Shareable : New Code.
in thread undefined value as an ARRAY reference: Using Tie with IPC::Shareable : New Code.

You're wrong about him being wrong concerning tie's return value. 
my $deDuppedArrayHandle = tie @deDuppedArray, 'IPC::Shareable', undef,
+ \%options;

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is short for 
tie @deDuppedArray, 'IPC::Shareable', undef, \%options;
my $deDuppedArrayHandle = tied @deDuppedArray;

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tie, tied

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