=head1 NAME

RocksDB::Comparator - rocksdb::Comparator object

=head1 SYNOPSIS

  use RocksDB;

  my $handler = MyComparator->new;
  my $db = RocksDB->new('/path/to/db', {
      create_if_missing => 1,
      comparator        => RocksDB::Comparator->new($handler),
  });

=head1 DESCRIPTION

B<RocksDB::Comparator> is a utility class to make rocksdb::Comparator object.

=head1 CONSTRUCTOR

=head2 C<< RocksDB::Comparator->new($handler :Object) :RocksDB::Comparator  >>

Create and return a new RocksDB::Comparator object.

$handler must respond to "compare".

See 'HANDLER METHODS' section for more details.

=head1 HANDLER METHODS

=head2 C<< $handler->compare($a :Str, $b :Str) :Int >>

Three-way comparison. Returns value:

  < 0 iff $a < $b,
  == 0 iff $a == $b,
  > 0 iff $a > $b

=head1 SEE ALSO

L<RocksDB>

=head1 AUTHOR

Jiro Nishiguchi E<lt>jiro@cpan.orgE<gt>

=cut