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=head1 NAME

Lucy::Document::Doc - A document.

=head1 SYNOPSIS

    my $doc = Lucy::Document::Doc->new(
        fields => { foo => 'foo foo', bar => 'bar bar' },
    );
    $indexer->add_doc($doc);

Doc objects allow access to field values via hashref overloading:

    $doc->{foo} = 'new value for field "foo"';
    print "foo: $doc->{foo}\n";



=head1 DESCRIPTION

A Doc object is akin to a row in a database, in that it is made up of one
or more fields, each of which has a value.

=head1 CONSTRUCTORS

=head2 new( I<[labeled params]> )

    my $doc = Lucy::Document::Doc->new(
        fields => { foo => 'foo foo', bar => 'bar bar' },
    );

=over

=item *

B<fields> - Field-value pairs.

=item *

B<doc_id> - Internal Lucy document id.  Default of 0 (an
invalid doc id).

=back





=head1 METHODS

=head2 set_doc_id(doc_id)

Set internal Lucy document id.

=head2 get_doc_id()

Retrieve internal Lucy document id.

=head2 get_fields()

Return the Doc's backing fields hash.



=head1 INHERITANCE

Lucy::Document::Doc isa L<Lucy::Object::Obj>.


=cut