On Apr 4, 9:37 am, [EMAIL PROTECTED] (Jeff Pang) wrote:
> On Fri, Apr 4, 2008 at 11:42 PM, <[EMAIL PROTECTED]> wrote:
> > use constant PART_NUMBER => 'P/N';
>
> > print PART_NUMBER;
>
> > The above prints, "P/N", as I would expect. Later in the script I
> > want to access a hash value using the constant like this:
> > my $part = $parts{ $key }{ PART_NUMBER }; <- this doesn't work, but
>
> because the hash think "PART_NUMBER" is a key name instead of a constant.
> to avoid this confusion, add a "+" before the constant,
>
> my $part = $parts{ $key }{ +PART_NUMBER };
>
> Good luck!
Thanks for your help. Your suggestion worked, but what exactly is the
'+' doing in this case?
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