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Re^3: Dereferencing undef as an array: Bug or WAD?

by ChemBoy (Priest)
on Jun 04, 2008 at 15:06 UTC ( [id://690160]=note: print w/replies, xml ) Need Help??


in reply to Re^2: Dereferencing undef as an array: Bug or WAD?
in thread Dereferencing undef as an array: Bug or WAD?

It does persist—you've autovivified $r as a reference to an array, but that array is still empty: 

% perl -Mstrict -wle 'my $r = undef; map ++$_, @$r; print $r;'
ARRAY(0x10116180)

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