=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>.