#!/usr/bin/perl # Copyright 2006-2007, Paul Johnson (pjcj@cpan.org) # This software is free. It is licensed under the same terms as Perl itself. # The latest version of this software should be available from my homepage: # http://www.pjcj.net package Foo; use overload '""' => sub { shift->render}, bool => sub { die; 1 }; sub render { "foo"; } my $foo = 1; bless {}, 'Foo' if $foo; 1;