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=encoding utf8

=head1 NAME

Lucy::Search::NoMatchQuery - Query which matches no documents.

=head1 DESCRIPTION

NoMatchQuery is a utility class representing a query which matches nothing.
Typical usage might include e.g. returning a NoMatchQuery when a
L<QueryParser|Lucy::Search::QueryParser> is asked to parse an empty
string.

=head1 CONSTRUCTORS

=head2 new

    my $no_match_query = Lucy::Search::NoMatchQuery->new;

Constructor. Takes no arguments.

=head1 METHODS

=head2 make_compiler

    my $compiler = $no_match_query->make_compiler(
        searcher    => $searcher,     # required
        boost       => $boost,        # required
        subordinate => $subordinate,  # default: false
    );

Abstract factory method returning a Compiler derived from this Query.

=over

=item *

B<searcher> - A Searcher.

=item *

B<boost> - A scoring multiplier.

=item *

B<subordinate> - Indicates whether the Query is a subquery (as
opposed to a top-level query).  If false, the implementation must
invoke L<normalize()|Lucy::Search::Compiler/normalize> on the newly minted Compiler object before returning
it.

=back

=head1 INHERITANCE

Lucy::Search::NoMatchQuery isa L<Lucy::Search::Query> isa Clownfish::Obj.

=cut