Instead of 
die "ASSERT( $row, $col )" unless Crd2Index( $row, $col ) < Squared;

[download]
why not use Carp::Assert : 
use Carp::Assert;

...

assert(Crd2Index( $row, $col ) < Squared, 
       "Crd2Index( $row, $col ) < Squared") if DEBUG;

[download]

Also see Gratuitous use of Perl Prototypes

In reply to Re: Sudoku generator by Arunbear
in thread Sudoku generator by Adam

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