This is Perl module Test::Deep::Between.

INSTALLATION

Type the following command:

    $ curl -L http://cpanmin.us | perl - Test::Deep::Between

Or install cpanm and then run the following command to install
Test::Deep::Between:

    $ cpanm Test::Deep::Between

If you get an archive of this distribution, unpack it and build it
as per the usual:

    $ tar xzf Test-Deep-Between-$version.tar.gz
    $ cd Test-Deep-Between-$version
    $ perl Makefile.PL
    $ make && make test

Then install it:

    $ make install

DOCUMENTATION

Test::Deep::Between documentation is available as in POD. So you can do:

    $ perldoc Test::Deep::Between

to read the documentation online with your favorite pager.

LICENSE AND COPYRIGHT

Copyright (c) 2013, Makoto Taniwaki. All rights reserved.

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.