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