package MOP::Immutable::Point;
use strict;
use warnings;
use metaclass;
__PACKAGE__->meta->add_attribute('x' => (accessor => 'x', default => 10));
__PACKAGE__->meta->add_attribute('y' => (accessor => 'y'));
sub clear {
    my $self = shift;
    $self->x(0);
    $self->y(0);
}
__PACKAGE__->meta->make_immutable;
1;
__END__