Population of variables in hash values...

[Tim Yohn]

Hey All,

Is there an easy way to have variables in the value of a hash that are
not populated until the value of the hash is used... for example:

my($domain);
my(%hash) = (
        1 => "$domain"
);

print_domain("test.com");

sub print_domain() {
        my($domain) = @_;

        print $hash{'1'};
}

What ends up happening is the printing of a null string (I understand
why since $domain didn't contain a value when the hash was initially
populated)... however what I would like to have happen is the $domain
value of the hash be populated when it is called in the sub, thus
printing "test.com".  I've tried references in the hash (i.e. 1 =>
"\$domain") however then I just received the SCALAR(memaddr) as output. 
Any suggestions that might help point me in the right direction would be
greatly appreciated.

Thanks,
Tim.

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