This is Perl module Data::Compare::Type.
INSTALLATION
Type the following command:
$ curl -L http://cpanmin.us | perl - Data::Compare::Type
Or install cpanm and then run the following command to install
Data::Compare::Type:
$ cpanm Data::Compare::Type
If you get an archive of this distribution, unpack it and build it
as per the usual:
$ tar xzf Data-Compare-Type-$version.tar.gz
$ cd Data-Compare-Type-$version
$ perl Makefile.PL
$ make && make test
Then install it:
$ make install
DOCUMENTATION
Data::Compare::Type documentation is available as in POD. So you can do:
$ perldoc Data::Compare::Type
to read the documentation online with your favorite pager.
LICENSE AND COPYRIGHT
Copyright (c) 2012, S2. All rights reserved.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.