Check perlvar.  It is the index of the last array element, which is
one less than the size.

@$Queue will give you the size in scalar context.

On Mon, Sep 27, 2010 at 5:28 PM, Greg London <em...@greglondon.com> wrote:
>
>
> what the heck?
>
> my $Queue = \...@somearray;
>
> if ($#{$Queue} <= -1){
>  # do something
> }
>
> I thought $# was size,
> but the code is checking for it to be minus one?
>
> --
>
>
>
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