note LanX <c>@array[0 ..0]</c> is one and not zero elements!<P> <C> DB<103> @array=a..f => ("a", "b", "c", "d", "e", "f") DB<104> @array[0..0] => "a" </c><P> <b>UPDATE:</b><P> your statistical proof falls into the trap <P> <c>scalar @array != scalar (LIST)</c><P> if your <c>function()</c> returns a one element list <c>(0)</c>, then <c>scalar function()</c> will be 0, since 0 is the last element of the list.<P> (more detailed in [id://1007707] by [eyepopslikeamosquito] )<P> initializing <c>@array = 1..10</c> makes it more obvious, b/c the last element of a sublist is now identical to the length! <P> <c> DB<106> @array = 1 .. 10; => (1, 2, 3, 4, 5, 6, 7, 8, 9, 10) DB<107> sub x{ return @array[ 0 .. int( rand @array ) ]; }; => 0 DB<108> $stats{ scalar( x() ) }++ for 1 .. 1000; => "" DB<109> \%stats; => { 1 => 100, 2 => 101, 3 => 108, 4 => 108, 5 => 101, 6 => 103, 7 => 79, 8 => 98, 9 => 100, 10 => 102 } </c><P> <!-- Node text goes above. Div tags should contain sig only --> <div class="pmsig"><div class="pmsig-708738"> <p>Cheers Rolf </div></div> 1007684 1007687