This is Perl module MouseX::Extend. INSTALLATION MouseX::Extend installation is straightforward. If your CPAN shell is set up, you should just be able to do $ cpan MouseX::Extend Download it, unpack it, then build it as per the usual: $ perl Makefile.PL $ make && make test Then install it: $ make install DOCUMENTATION MouseX::Extend documentation is available as in POD. So you can do: $ perldoc MouseX::Extend to read the documentation online with your favorite pager. Goro Fuji (gfx)