> With a suitably chosen name for the sub, the latter looks less awkward:

populateThingArray( \my @c ); 
 
$c[ ... ];

[download]

as a side note, one can use the fat comma for syntactic sugar:

calcArrays( $par1, $par2 => \ my (@a,@b) );

Cheers Rolf

Update: extended code to return multiple Arrays.

In reply to Re^2: returning large arrays from functions by LanX
in thread returning large arrays from functions by perl5ever

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