=head1 NAME
Attean::API::Variable - Role representing term variables
=head1 VERSION
This document describes Attean::API::Variable version 0.030
=head1 SYNOPSIS
use v5.14;
use Attean;
=head1 DESCRIPTION
This is a Moo role representing variables that may be used in triple and quad
patterns.
=head1 ROLES
This role consumes L<Attean::API::TermOrVariable>.
=head1 METHODS
=over 4
=item C<< as_string >>
Returns a SPARQL-like string serialization of the variable.
=back
=head1 BUGS
Please report any bugs or feature requests to through the GitHub web interface
at L<https://github.com/kasei/attean/issues>.
=head1 SEE ALSO
=head1 AUTHOR
Gregory Todd Williams C<< <gwilliams@cpan.org> >>
=head1 COPYRIGHT
Copyright (c) 2014--2020 Gregory Todd Williams.
This program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut