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