my $retn = $alpha_a cmp $alpha_b;
    return $retn if $retn != 0;
    
    $retn = $num1_a <=> $num1_b;
    return $retn if $retn != 0;
    
    return $num2_a <=> $num2_b;

[download]

That can be compacter written as: 

return $alpha_a cmp $alpha_b
      || $num1_a <=> $num1_b
      || $num2_a <=> $num2_b;

[download]

In reply to Re^2: Sort problems by moritz
in thread Sort problems by erez_ez

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