=head1 NAME
Tangram::Springfield - classes and schema used in the Guided Tour
=head1 SYNOPSIS
use Tangram;
use Tangram::Springfield;
# deploy the storage
# store & retrieve objects
=head1 DESCRIPTION
This modules contains the declarations of the classes used in the
Guided Tour. It also creates Schema object for that class system,
and stores it in the $schema variable. That variable is exported to
the C<main> package by default.
The UML diagram for the classes can be found in L<Tangram>.
=head1 SEE ALSO
L<Tangram>, L<Tangram::Schema>, L<Tangram::Relational>,
L<Tangram::Storage>, L<Tangram::Deploy>.