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Re: How to make bi-modal variables like $! ?

by japhy (Canon)
on Jun 28, 2001 at 20:14 UTC ( #92346=note: print w/ replies, xml ) Need Help??

in reply to How to make bi-modal variables like $! ?

You'll need to do some overloading.

package DualVar; use overload ( '""' => sub { $_[0][0] }, '0+' => sub { $_[0][1] }, fallback => 1, ); sub new { bless [ @_[1,2] ], $_[0] } 1;
And that's all!
use DualVar; my $x = DualVar->new("japhy", 19); printf "I'm %s, and I'm %d years old.\n", $x, $x;

japhy -- Perl and Regex Hacker

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